I'm having a problem centering an element that has the attribute position set to absolute.
Does anyone know why the images are not centered?
body {
text-align: center;
}
#slideshowWrapper {
margin-top: 50px;
text-align: center;
}
ul#slideshow {
list-style: none;
position: relative;
margin: auto;
}
ul#slideshow li {
position: absolute;
}
ul#slideshow li img {
border: 1px solid #ccc;
padding: 4px;
height: 450px;
}
<body>
<div id="slideshowWrapper">
<ul id="slideshow">
<li><img src="https://source.unsplash.com/random/300*300?technology" alt="Dummy 1" /></li>
<li><img src="https://source.unsplash.com/random/301*301?technology" alt="Dummy 2" /></li>
</ul>
</div>
</body>
If you have set a width you may use:
position: absolute;
margin-left: auto;
margin-right: auto;
left: 0;
right: 0;
text-align: center;
Without knowing the width/height of the positioned1 element, it is still possible to align it as follows:
EXAMPLE HERE
.child {
position: absolute;
top: 50%; /* position the top edge of the element at the middle of the parent */
left: 50%; /* position the left edge of the element at the middle of the parent */
transform: translate(-50%, -50%); /* This is a shorthand of
translateX(-50%) and translateY(-50%) */
}
It's worth noting that CSS Transform is supported in IE9 and above. (Vendor prefixes omitted for brevity)
Explanation
Adding top/left of 50% moves the top/left margin edge of the element to the middle of the parent, and translate() function with the (negative) value of -50% moves the element by the half of its size. Hence the element will be positioned at the middle.
This is because a percentage value on top/left properties is relative to the height/width of the parent element (which is creating a containing block).
While a percentage value on translate() transform function is relative to width/height of the element itself (Actually it refers to the size of bounding box).
For unidirectional alignment, go with translateX(-50%) or translateY(-50%) instead.
1. An element with a position other than static. I.e. relative, absolute, fixed values.
Centering something absolutely positioned is rather convoluted in CSS.
ul#slideshow li {
position: absolute;
left:50%;
margin-left:-20px;
}
Change margin-left to (negative) half the width of the element you are trying to center.
Div vertically and horizontally aligned center
top: 0;
bottom: 0;
margin: auto;
position: absolute;
left: 0;
right: 0;
Note : Elements should have width and height to be set
If you want to center an absolute element
#div {
position:absolute;
top:0;
bottom:0;
left:0;
right:0;
width:300px; /* Assign a value */
height:500px; /* Assign a value */
margin:auto;
}
If you want a container to be centered left to right, but not with top to bottom
#div {
position:absolute;
left:0;
right:0;
width:300px; /* Assign a value */
height:500px; /* Assign a value */
margin:auto;
}
If you want a container to be centered top to bottom, regardless of being left to right
#div {
position:absolute;
top:0;
bottom:0;
width:300px; /* Assign a value */
height:500px; /* Assign a value */
margin:auto;
}
Update as of December 15, 2015
Well I learnt this another new trick few months ago. Assuming that you have a relative parent element.
Here goes your absolute element.
.absolute-element {
position:absolute;
top:50%;
left:50%;
transform:translate(-50%, -50%);
width:50%; /* You can specify ANY width values here */
}
With this, I think it's a better answer than my old solution. Since you don't have to specify width AND height. This one it adapts the content of the element itself.
Update as of April 23, 2021
It does not answer to OP's question about position absolute, but if you want alternative solution, there's this called flexbox. Here's an example.
#parent {
display:flex;
align-items:center;
justify-content:center;
}
What it does is the container is converted to flex and to align child items to center on horizontal is by using justify-content:center and vertical is to use align-items:center. It does support modern browsers too, so it's safe to use.
Though, be sure to read how flexbox work first.
https://developer.mozilla.org/en-US/docs/Learn/CSS/CSS_layout/Flexbox
Flexbox supported browsers
https://caniuse.com/flexbox
A simple CSS trick, just add:
width: 100%;
text-align: center;
This works on both images and text.
This worked for me:
position: absolute;
left: 50%;
transform: translateX(-50%);
To center a “position: absolute” element.
.your-element {
position: absolute;
left: 0;
right: 0;
text-align: center; // or this -> margin: 0 auto;
}
to center a a position:absolute attribute you need to set left:50% and margin-left: -50% of the width of the div.
<!-- for horizontal -->
<style>
div.center{
width:200px;
left:50%;
margin-left:-100px;
position:absolute;
}
</style>
<body>
<div class='center'>
should be centered horizontaly
</div>
</body>
for vertical center absolute you need to do the same thing bud not with left just with top.
( NOTE: html and body must have min-height 100%; )
<!-- for vertical -->
<style>
body,html{
min-height:100%;
}
div.center{
height:200px;
top:50%;
margin-top:-100px;
position:absolute;
}
</style>
<body>
<div class='center'>
should be centered verticaly
</div>
</body>
and can be combined for both
<!-- for both -->
<style>
body,html{
min-height:100%;
}
div.center{
width:200px;
height:50px
left:50%;
top:50%;
margin-left:-100px;
margin-top:-25px;
position:absolute;
}
</style>
<body>
<div class='center'>
should be centered
</div>
</body>
Or you can now use flex box with postion absolute:
.parent {
position: relative;
display: flex;
justify-content: center;
}
.child {
position: absolute;
}
<div class="centered_content"> content </div>
<style type="text/css">
.centered_content {
text-align: center;
position: absolute;
left: 0;
right: 0;
}
</style>
see demo on: http://jsfiddle.net/MohammadDayeh/HrZLC/
text-align: center; works with a position: absolute element when adding left: 0; right: 0;
You can use the "transform" attribute:
position: absolute;
top: 50%;
left: 50%;
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
The simpler, the best:
img {
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto auto;
position: absolute;
}
Then you need to insert your img tag into a tag that sports position:relative property, as follows:
<div style="width:256px; height: 256px; position:relative;">
<img src="photo.jpg"/>
</div>
If you don't know the width of the element you can use this code:
<body>
<div style="position: absolute; left: 50%;">
<div style="position: relative; left: -50%; border: dotted red 1px;">
I am some centered shrink-to-fit content! <br />
tum te tum
</div>
</div>
Demo at fiddle: http://jsfiddle.net/wrh7a21r/
Source: https://stackoverflow.com/a/1777282/1136132
probably the shortest
position:absolute;
left:0;right:0;top:0;bottom:0;
margin:0 auto;
as many others said this ⬇️
.element {
position: absolute;
left: 0;
top: 0;
transform: translate(-50%, -50%);
}
should work. But be aware, that the .element must be in a wrapper that has position: relative; (in case you don't want to make it in the center of the whole HTML page)
FYI: I've made a pseudo-library for CSS centering. I needed it for my dev juniors. So, feel free to check it out. http://dev.solcode.net/centercss/
Using
left: calc(50% - Wpx/2); where W is the width of the element works for me.
I'm not sure what you want to accomplish, but in this case just adding width: 100%; to your ul#slideshow li will do the trick.
Explanation
The img tags are inline-block elements. This means that they flow inline like text, but also have a width and height like block elements. In your css there are two text-align: center; rules applied to the <body> and to the #slideshowWrapper (which is redundant btw) this makes all inline and inline-block child elements to be centered in their closest block elements, in your code these are li tags. All block elements have width: 100% if they are the static flow (position: static;), which is default. The problem is that when you tell li tags to be position: absolute;, you take them out of normal static flow, and this causes them to shrink their size to just fit their inner content, in other words they kind of "lose" their width: 100% property.
Your images are not centered because your list items are not centered; only their text is centered. You can achieve the positioning you want by either centering the entire list or centering the images within the list.
A revised version of your code can be found at the bottom. In my revision I center both the list and the images within it.
The truth is you cannot center an element that has a position set to absolute.
But this behavior can be imitated!
Note: These instructions will work with any DOM block element, not just img.
Surround your image with a div or other tag (in your case a li).
<div class="absolute-div">
<img alt="my-image" src="#">
</div>
Note: The names given to these elements are not special.
Alter your css or scss to give the div absolute positioning and your image centered.
.absolute-div {
position: absolute;
width: 100%;
// Range to be centered over.
// If this element's parent is the body then 100% = the window's width
// Note: You can apply additional top/bottom and left/right attributes
// i.e. - top: 200px; left: 200px;
// Test for desired positioning.
}
.absolute-div img {
width: 500px;
// Note: Setting a width is crucial for margin: auto to work.
margin: 0 auto;
}
And there you have it! Your img should be centered!
Your code:
Try this out:
body
{
text-align : center;
}
#slideshow
{
list-style : none;
width : 800px;
// alter to taste
margin : 50px auto 0;
}
#slideshow li
{
position : absolute;
}
#slideshow img
{
border : 1px solid #CCC;
padding : 4px;
height : 500px;
width : auto;
// This sets the width relative to your set height.
// Setting a width is required for the margin auto attribute below.
margin : 0 auto;
}
<ul id="slideshow">
<li><img src="http://lorempixel.com/500/500/nature/" alt="Dummy 1" /></li>
<li><img src="http://lorempixel.com/500/500/nature/" alt="Dummy 2" /></li>
</ul>
I hope this was helpful. Good luck!
An absolute object inside a relative object is relative to its parent, the problem here is that you need a static width for the container #slideshowWrapper , and the rest of the solution is like the other users says
body {
text-align: center;
}
#slideshowWrapper {
margin-top: 50px;
text-align:center;
width: 500px;
}
ul#slideshow {
list-style: none;
position: relative;
margin: auto;
}
ul#slideshow li {
position: relative;
left: 50%;
}
ul#slideshow li img {
border: 1px solid #ccc;
padding: 4px;
height: 450px;
}
http://jsfiddle.net/ejRTU/10/
Here is easy and best solution for center element with “position: absolute”
body,html{
min-height:100%;
}
div.center{
width:200px;
left:50%;
margin-left:-100px;/*this is 50% value for width of the element*/
position:absolute;
background:#ddd;
border:1px solid #999;
height:100px;
text-align:center
}
<style>
</style>
<body>
<div class='center'>
should be centered verticaly
</div>
</body>
Just use display: flex and justify-content: center on the parent element
body {
text-align: center;
}
#slideshowWrapper {
margin-top: 50px;
text-align: center;
}
ul#slideshow {
list-style: none;
position: relative;
margin: auto;
display: flex;
justify-content: center;
}
ul#slideshow li {
position: absolute;
}
ul#slideshow li img {
border: 1px solid #ccc;
padding: 4px;
height: 100px;
}
<body>
<div id="slideshowWrapper">
<ul id="slideshow">
<li><img src="https://source.unsplash.com/random/300*300?technology" alt="Dummy 1" /></li>
<li><img src="https://source.unsplash.com/random/301*301?technology" alt="Dummy 2" /></li>
</ul>
</div>
</body>
<!-- Images from Unsplash-->
You can find this solution in JSFIDDLE
You can try this way :
* { margin: 0px; padding: 0px; }
#body { height: 100vh; width: 100vw; position: relative;
text-align: center;
background-image: url('https://s-media-cache-ak0.pinimg.com/originals/96/2d/ff/962dff2247ad680c542622e20f44a645.jpg');
background-size: cover; background-repeat: no-repeat; }
.text { position: absolute; top: 0; bottom: 0; left: 0; right: 0; height:100px;
display: inline-block; margin: auto; z-index: 999999; }
<html>
<body>
<div id="body" class="container-fluid">
<!--Background-->
<!--Text-->
<div class="text">
<p>Random</p>
</div>
</div>
</body>
</html>
1- when you know the width of the absolutely positioned element.
width: 200px;
position: absolute;
left: 50%;
margin-left: -100px
2- when you don’t know the width of the absolutely positioned element. Excellent for responsiveness but is CSS3 older browsers may have an issue.
position: absolute;
left: 50%;
-webkit-transform: translateX(-50%);
transform: translateX(-50%)
3- when you don’t know the width of the absolutely positioned element but makes it 100% wide of it’s parent which might not fit the design.
position: absolute;
left: 0;
right: 0;
margin: auto
If you do know the width, you can use the third option as well and it will center.
My favorite method to absolute center any element or group of elements is to absolute position their container, make it the height and width of the relative container, then use flex to align the elements within.
In this specific case:
body {
position: relative; /* OPTIONAL */
}
#slideshowWrapper {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
display: flex;
flex-direction: row; /* OPTIONAL IF ONLY ONE ELEMENT */
justify-content: center;
align-items: center;
}
Hope that helps, cheers.
For this case, I think the code as below is enough:
ul#slideshow li {
position: absolute;
left: 0;
right: 0;
}
#parent
{
position : relative;
height: 0;
overflow: hidden;
padding-bottom: 56.25% /* images with aspect ratio: 16:9 */
}
img
{
height: auto!important;
width: auto!important;
min-height: 100%;
min-width: 100%;
position: absolute;
display: block;
/* */
top: -9999px;
bottom: -9999px;
left: -9999px;
right: -9999px;
margin: auto;
}
I don't remember where I saw the centering method listed above, using negative top, right, bottom, left values.
For me, this tehnique is the best, in most situations.
When I use the combination from above, the image behaves like a background-image with the following settings:
background-position: 50% 50%;
background-repeat: no-repeat;
background-size: cover;
More details about the first example can be found here:
Maintain the aspect ratio of a div with CSS
Position absolute takes it out of the flow, and places it at 0x0 to the parent ( Last block element to have a position absolute or position relative ).
I'm not sure what exactly you what you are trying to accomplish, It might be best to set the li to a position:relative and that will center them. Given your current CSS
Check out http://jsfiddle.net/rtgibbons/ejRTU/ to play with it
What seems to be happening is there are two solutions; centered using margins and centered using position. Both work fine, but if you want to absolute position an element relative to this centered element, you need to use the absolute position method, because the absolute position of the second element defaults to the first parent that is positioned. Like so:
<!-- CENTERED USING MARGIN -->
<div style="width:300px; height:100px; border: 1px solid #000; margin:20px auto; text- align:center;">
<p style="line-height:4;">width: 300 px; margin: 0 auto</p>
<div style="position:absolute; width:100px; height:100px; background-color:#ff0000; top:-20px; left:0px;">
<p style="line-height:4;">Absolute</p>
</div>
</div>
<!-- CENTERED USING POSITION -->
<div style="position:absolute; left:50%; width:300px; height:100px; border: 1px solid #000; margin:20px 0 20px -150px; text-align:center;">
<p style="line-height:2;">width:300px; position: absolute; left: 50%; margin-left:-150px;</p>
<div style="position:absolute; width:100px; height:100px; background-color:#ff0000; top:0px; left:-105px;">
<p style="line-height:4;">Absolute</p>
</div>
</div>
Until I'd read this posting, using the margin:0 auto technique, to build a menu to the left of my content I had to build a same-width column to the right to balance it out. Not pretty. Thanks!
Use margin-left: x%; where x is the half of the width of the element.
Related
I am wondering how I should organize things. I want my screen to be organized like this, and to be responsive:
So here is what I did:
.container-map {
position: relative;
}
.map-background {
z-index: 10;
width: 100%;
height: 50%;
position: absolute;
top: 0;
left: 0;
}
.map-filter {
z-index: 100;
margin-left: 10%;
margin-top: 5%;
position: absolute;
}
.map-search-results{
position: absolute;
margin-top: 50%;
width: 100%;
}
<div class="container-map">
<div class="map-background"></div>
<div class="map-filter"></div>
<div class="map-search-results"></div>
</div>
It is working for the map and the filter, but for the search-results section, this seems very dirty to me.
It seems like adding a div around map-background and map-filter should be the solution, but how do I make its position "more important" than the absolute positions of the two other divs?
It's not clear what you mean by "more important" but I think I know what you mean. One of the main issues is the fact that the top map background and map filter are not positioned together but independently, and then just aligned with absolute positioning. This makes the style brittle and prone to errors from changes - whether that be changes in code or change in viewport etc.
Instead this might be the kind of thing you are after:
.top-container{
height:50vh;
position:relative;
}
.map-background {
height: 100%;
background-color:yellow;
outline:2px solid yellow;
}
.map-filter {
position: absolute;
top:15%;
left:10%;
min-height:50px;
min-width:200px;
background-color:lightblue;
outline:2px solid lightblue;
}
.map-search-results{
height:50vh;
background-color:red;
outline:2px solid red;
}
<div class="container-map">
<div class="top-container">
<div class="map-background">
Background
</div>
<div class="map-filter">
Filter
</div>
</div>
<div class="map-search-results">
Search Results
</div>
</div>
Now the top section is held in it's own container and only the filter is positioned absolutely, but that's absolutely relative to the wrapping container. Remember that position: absolute will position an element relative to the nearest ancestor with position: absolute or position: relative.[1]
This means that the top section is effectively 'grouped' and if the container is repositioned, whether that be with new CSS rules, changes to the DOM, changes to the the outer dimensions etc etc, then all the children should also be naturally repositioned as well (barring any other complications).
I have also cleaned up the code somewhat.
Your height definitions weren't working because a percentage height needs a parent with absolute height to work. Instead I have defined the two main blocks as having height: 50vh but you can set it to whatever you need.
There's also no need for z-index in this case (and z-index with absolute positioning is a recipe for confusion). The map-filter is the only thing 'on top' of something else and that will appear on top anyway since it is absolutely positioned and the map-background is not.
So if you take out the code I created for demonstration this is the core CSS:
.top-container{
height:50vh;
position:relative;
}
.map-background {
height: 100%;
}
.map-filter {
position: absolute;
top:15%;
left:10%;
}
.map-search-results{
height:50vh;
}
You don't need position: absolute for any of these:
<div class="container-map">
<div class="map-background">
<div class="map-filter"></div>
</div>
<div class="map-search-results"></div>
</div>
.container-map {
width: 400px; /*set as much as you like */
}
.map-background , .map-search-results {
display: block;
height: 50%;
}
.map-background {
padding: 15px; /* set as much as you want - to affect the height/position of .map-filter */
}
.map-filter {
width: 200px;
height: 100%; /* top/bottom padding of [.map-background] will create the height differential here */
}
First thing you need to know is when dealing with absolute it's better to use left, right, top & bottom,
Second thing you need to know is the relatively positioned element should have width and height in order to place the absolute positioned item inside it
Consider reading this article to know what is the difference between this properties ( relative & absolute )https://css-tricks.com/absolute-relative-fixed-positioining-how-do-they-differ/
I tried to make an example like the image in your question :
.container-map {
position: relative;
background:#000;
width:100vw;
height:100vh;
}
.map-background {
z-index: 10;
width: 100%;
height: 50%;
position: absolute;
top: 0;
left: 0;
background:#ff0000;
}
.map-filter {
z-index: 100;
left: 5%;
top: 5%;
width:130px;
height:40%;
background:orange;
position: absolute;
}
.map-search-results{
position: absolute;
top: 50%;
width: 100%;
height:50%;
background:#00ff00;
}
<div class="container-map">
<div class="map-background"></div>
<div class="map-filter"></div>
<div class="map-search-results"></div>
</div>
What I am trying to accomplish:
- create a pop-up div (fixed), centered in view
- this pop-up should be 60% height of the browser window
- the contents of the pop-up should be an image and a 'x' above the upper right corner of the image
- the height of the image should be maximal, considering it should be contained in the div together with the 'x'
- the aspect ratio of the image should be maintained
I tried the following code
<div class="pop-up">
<p class="exit-button">x</p>
<img class="image" src="safari.png" width="1200" height="630" alt="" title="" />
</div>
With CSS:
body {
background: #333;
}
.pop-up {
position: fixed;
height: 60%;
width: auto;
left:50%;
top:50%;
-webkit-transform:translate(-50%,-50%);
transform:translate(-50%,-50%);
background:yellow;
object-fit: contain;
}
.exit-button {
text-align: right;
margin: 0;
font-size: 300%;
}
.image {
height: 100%;
width: auto;
opacity:0.7;
}
This code is not solving the problem, the image is not contained in the (yellow) div, as can be seen in the following screen shot:
http://www.michielvisser.nl/tmp/screenshot.jpg
How to contain the image in the div with maximal height for the image in the div and maintain aspect ratio?
SOLUTION 1: Remove the height and width from .pop-up and change height:100% in .image to height:60vh. That works perfectly. Apparently the child (img) will not adjust to the parent (div), but the parent (div) will adjust to the child (img). Sounds like real life.
SOLUTION 2: Essentially the problem arises when the window is resized (except in firefox). The solution can be to redraw the image after a resize, this solves the problem:
$(window).resize(function(){
$('img').hide();
setTimeout(function(){ $('img').show(); }, 1);
});
Your problems are:
You have an inline width and height set on your image, which is overriding the CSS styles for width and height on that image
The margin from your X is pushing the image down since the X is wrapped in a <p> tag.
You don't need object-fit at all.
The simple way to solve #1 is to delete the inline width and height from the image tag and leave it to the stylesheet.
Number 2 can be solved by wrapping the X in a div instead of a p, or you can use a pseudo element for it. I have taken the latter approach in the snippet below.
To solve #3, just delete the style from the stylesheet. (Having this property set in Safari actually messed things up for me.)
This snippet is tested in Safari 10.1.1. Note how the placeholder image is quite large by default (1000x800), but it only displays as big as it can per the parent div.
Edit: Based on your comments, let's revise this further so that we dictate the size on the image, and just let the wrapper take up the size of the image.
So on our image, in order to get it to be 60% as tall as the screen, we can do:
img {
height: 60vh;
width: auto;
}
Then, in our parent, we won't specify a width or height at all, but we can do display: flex just to make sure it is big enough to fit its contents.
body {
background: #333;
}
.pop-up {
display: flex;
position: fixed;
left: 50%;
top: 50%;
-webkit-transform: translate(-50%, -50%);
transform: translate(-50%, -50%);
background: yellow;
}
.exit {
color: black;
text-decoration: none;
text-align: center;
font-size: 300%;
display: block;
position: absolute;
top: -50px;
right: -40px;
width: 40px;
height: 50px;
}
.image {
height: 60vh;
width: auto;
opacity: 0.7;
}
<div class="pop-up">
X
<img class="image" src="http://placehold.it/1000x800" alt="" title="">
</div>
I put the image above the P tag and added some CSS to .exit-button and .image
From here you can adjust padding and sizing of the elements.
body {
background: #333;
}
.pop-up {
position: fixed;
height: 60%;
width: auto;
left:50%;
top:50%;
-webkit-transform:translate(-50%,-50%);
transform:translate(-50%,-50%);
background:yellow;
object-fit: contain;
}
.exit-button {
position: absolute;
text-align: right;
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: 0;
font-size: 300%;
}
.image {
height: 100%;
width: auto;
opacity:0.7;
}
<div class="pop-up">
<img class="image" src="http://icons.iconarchive.com/icons/johanchalibert/mac-osx-yosemite/1024/safari-icon.png" width="1200" height="630" alt="" title="" />
<p class="exit-button">x</p>
</div>
I copied your code and edited it. Please tell me whether this is the output you wanted or not.
body {
background: #333;
}
.pop-up {
position: fixed;
height: 60%;
width: auto;
left:50%;
top:50%;
padding-top: 30px;
-webkit-transform:translate(-50%,-50%);
transform:translate(-50%,-50%);
background:yellow;
object-fit: contain;
}
.exit-button {
margin-top: -50px;
text-align: right;
margin-right: 0;
font-size: 300%;
}
.image {
margin-top: -20px;
height: 100%;
width: auto;
opacity:0.7;
}
<div class="pop-up">
<p class="exit-button">x</p>
<img class="image" src="safari.png" alt="" title="" />
</div>
Because of either needing to hardcode in the alignment of the image given the size or deal with weird convolution, I believe this is the best way:
Create a fixed overlay occupying the entirety of the screen, create a container of 60% height, align it in the center with flexbox and stick the image inside making it occupy the entire height. The aspect ratio will update automatically (only happens with height).
As for the button – give it absolute positioning and a right position of 0, and manually give the parent relative positioning (this is necessary).
<div id="popup">
<div id="container">
X
<img src="https://i.redd.it/gelilvo30mgz.jpg">
</div>
</div>
html,
body {
height: 100%;
}
#popup {
position: fixed;
width: 100%;
height: 100%;
display: flex;
justify-content: center;
align-items: center;
}
#container {
position: relative; !important // has to be specified for the children (anchor) to find the bound
height: 60%;
background: #333;
}
a {
right: 0;
position: absolute;
}
img {
height: 100%;
}
https://jsfiddle.net/L2nLjjxc/1/
I believe that's the least amount of convolution if you want it to be dynamic.
New guy over here. I've searched and have found similar issues but not exactly what I am after.
I simply want to know how to horizontally centre an image within a div, but also position the image at the bottom of the div (20px or so from the bottom to be precise).
I can kind of get the look I'm after by setting the container div as position:relative, and the image position:absolute, with bottom:30px and margin-left: 49%. I would just rather it be exact, rather than using left margin. The container needs to be relative for other elements I have on the page.
Any help will be greatly appreciated. Thanks.
Horizontally center and vertically bottom divClick here
.parent {
position: relative;
}
.img {
width: 50px;
height: 50px;
position: absolute;
margin: 0 auto;
left: 0;
right: 0;
bottom: 0;
}
centers the absolute image inside the relative div
div > img {
left: 50%;
transform: translateX(-50%);
}
Alternatively, you can combine setting left/right to zero and setting the left/right margin to auto:
.box {
position: relative;
}
.box img {
position: absolute;
left: 0;
right: 0;
bottom: 2em;
margin: 0 auto;
}
Demo: https://jsfiddle.net/ffyof90e/
Explanation: Why does "position: absolute; left: 0; right: 0; width: XYpx; margin: 0 auto" actually center?
Do it like this, for example:
<div id="divid">
<img src="http://pbs.twimg.com/profile_images/2284174872/7df3h38zabcvjylnyfe3_normal.png" alt="Smiley face" height="42" width="42">
</div>
You can now apply css like this:
div > img {
display:block;
position:absolute;
left:0;
right:0;
bottom:0;
margin:auto;
}
#divid{
position: relative;
height: 300px;
width: 300px;
border: 3px solid #73AD21;
}
You can check it at https://jsfiddle.net/n4528wxz/1/
I have an h2 which is absolutely postioned inside a parent div which is also absolutely positioned. The parent div has a max width of 350px and what I would like to do is center the h2 inside it. I don't want to set left:0 and right:0 on the h2 as this will stretch to fill the 350px max-width instead I want the h2 to grow in width if more content gets added. Absolutely positioning the h2 is a requirement.
Codepen: http://codepen.io/styler/pen/mAyIt
CSS
.tt {
max-width: 350px;
min-height: 45px;
text-align: center;
position: absolute;
left: 0;
right: 0;
background: #8F9924;
.tt-content {
border: 2px solid black;
background: #ACC95F;
position: absolute;
bottom: 0;
padding: 5px 10px;
}
}
HTML
<div class="tt">
<h2 class="tt-content">This is the content.</h2>
</div>
You might find that this helps.
.tt-content {
...
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
reference: http://css-tricks.com/quick-css-trick-how-to-center-an-object-exactly-in-the-center/
A fork of your pen: http://codepen.io/jakeparis/pen/CGjni
Center an absolutely positioned element like this:
Assume 500px width element:
#heading {
margin-left: 50%;
left: -250px;/* negative half-width */
}
UPDATE: Sorry, should have paid better attention to the question.
If you need dynamic width, then consider relative positioning. Then just use text-align:center; on the parent.
UPDATE 2: You'll also need this on your H2 element: display:inline-block;
This will make the div width stay with the child content.
try this
h2{
width: 100%;
position: absolute;
left: 50%;
margin-left: -50%;
}
I have this css:
#manipulate
{
position:absolute;
width:300px;
height:300px;
background:#063;
bottom:0px;
right:25%;
}
I have this html:
<div id="manipulate" align="center">
</div>
How do we position that div at the bottom center of the screen?!?
If you aren't comfortable with using negative margins, check this out.
HTML -
<div>
Your Text
</div>
CSS -
div {
position: fixed;
left: 50%;
bottom: 20px;
transform: translate(-50%, -50%);
margin: 0 auto;
}
Especially useful when you don't know the width of the div.
align="center" has no effect.
Since you have position:absolute, I would recommend positioning it 50% from the left and then subtracting half of its width from its left margin.
#manipulate {
position:absolute;
width:300px;
height:300px;
background:#063;
bottom:0px;
right:25%;
left:50%;
margin-left:-150px;
}
Use negative margins:
#manipulate
{
position:absolute;
width:300px;
height:300px;
margin-left:-150px;
background:#063;
bottom:0px;
left:50%;
}
The key here is the width, left and margin-left properties.
Here is a solution with two divs:
HTML:
<div id="footer">
<div id="center">
Text here
</div>
</div>
CSS:
#footer {
position: fixed;
bottom: 0;
width: 100%;
}
#center {
width: 500px;
margin: 0 auto;
}
Using a Flexbox worked for me:
#manipulate {
position: absolute;
width: 100%;
display: flex;
justify-content: center; // Centers the item
bottom: 10px; // Moves it up a little from the bottom
}
You can center it using negative margins BUT please note that it'll center exactly on the center of the screen IF any containing div is NOT SET to position:relative;
For example. http://jsfiddle.net/aWNCm/
So, best way to exactly center this div is to set correct properties position properties for its containing divs too otherwise it will be lost in some random ways.
100% working single line (Inline CSS Solve)
<div style="position: fixed; bottom: 10px; width: 100%; text-align: center;">Your Content Here</div>
100% working single line (Inline CSS Solve)
<div style="padding: 20px; width: 100%; text-align: center;">Your Content Here</div>