Lets say I have 2 divs:
<div id="divOuter">
<div id="divInner"></div>
</div>
Let's also say that the outer div is about 3/4 down the page, centered on the screen (horizontally), and has a width of 200px. Obviously the inner div would be initially at this position. How can I keep the inner div at the same vertical position (which is currently is), but move it all the way to the left of the screen?
Position divInner absolutely and set the left propery to zero:
position:absolute;
left:0px;
jsFiddle example
You could add some CSS to it. However the only way I know uses fixed positions so for example:
.position{
position: relative; left: -20px;
}
Then in your div
<div id="divInner" Class="position"></div>
Would be 20 pixels to the left
You can give #divInner an absolute left position but leave its top position to auto;
#divInner {
position: absolute;
left: 0;
}
This assumes that #divOuter is not absolutely positioned itself.
How about this HTML...
<div id="divOuterWrapper">
<div id="divOuter">
<div id="divInner"></div>
</div>
</div>
...and this CSS?
#divOuterWrapper {
position:relative;
background-color:#dddddd;
}
#divOuter {
width:200px;
margin:0 auto;
margin-top:300px;
background-color:#00ff00;
min-height:50px;
}
#divInner {
position:absolute;
background-color:#0000ff;
min-height:30px;
width:200px;
margin-left:50%;
left:-50%;
}
Here's a JSFiddle:
http://jsfiddle.net/5Qfq3/1/
Related
I want to create responsive popup banner with close button here is my simple scenario:
<div class="banner">
<img src="...">
X
</div>
And my CSS:
.banner img{
max-width:100%;
max-height:100%;
position:absolute;
}
.close-btn{
position:absolute;
right:0;
z-index:2;
color:red;
background:#000;
padding:4px;
}
As you can see I stretch image depending on width and height.
Problem: I want close-btn to stick to the right side of the image and overlap it. To solve this the banner must be the same width as the image. If banner has position:absolute its width and height of course is 0.
Is it possible to achieve only with CSS?
Here is fiddle: http://jsfiddle.net/fjckls/qq590xz5/
I need image to be responsive to width and height
To make your image fully width AND height responsive, first off, you need to alter your units. You're currently using %'s which is all well and good, but for the 'fully height responsive' concept, the % units aren't much help.
Instead, you should look into using vh (view-height) and vw (view-width) units, since these are for the actual viewport that the user can see currently.
In order to position your 'x' over the top right of your image, you're going to have to alter your css slightly.
You could possibly include a css rule for your banner, first off. Something like:
.banner {
position:relative;
display:inline-block;
}
Whilst removing the 'position:absolute' rule from your image, since now your banner div will be the size of your image (not the default '100% of screen' that divs are set to originally).
This leaves us one problem, you haven't actually set where abouts you want the 'x' to appear vertically, so it will default to 'where it would position normally', which, in this case, would be below the image. To tackle this, you would need to add a top: or bottom: declaration to your 'x' class, and in my case, i've chosen to set it to the top (top:0;).
The overall fiddle can be shown here
or here:
.banner img {
max-width: 100vw;
max-height: 100vh;
}
.close-btn {
position: absolute;
right: 0;
top: 0;
z-index: 2;
color: red;
background: #000;
padding: 4px;
}
.banner {
position: relative;
display: inline-block;
}
<div class="banner">
<img src="http://sockets.hogwartsishere.com/media/book_covers/l-bunny.jpg" /> X
</div>
I have updated the link
http://jsfiddle.net/qq590xz5/3/
<div class="banner">
<div style="position:abolute;">
<img src="http://sockets.hogwartsishere.com/media/book_covers/l-bunny.jpg">
X
</div>
</div>
.banner img{
max-width:50%;
max-height:100%;
}
.close-btn{
position:absolute;
z-index:2;
color:red;
top:1%;
background:#000;
padding:4px;
}
Have a look
Thanks
try this..
Html
<div class="banner">
<img src="http://sockets.hogwartsishere.com/media/book_covers/l-bunny.jpg">
X
</div>
CSS
.banner{
position:relative;
width:200px;
}
img{
max-width:100%;
}
.close-btn{
position:absolute;
right:0;
top:0;
z-index:1;
color:red;
background:#000;
padding:4px;
}
Fiddle Demo
I found a solution that keeps the image centered horizontally and the x button on the top right of the image. It involves:
1) Making the .banner absolutely positioned, with margins from each window edge. This centers the entire .banner, however you might want to use fixed position if you need it to scroll along with the user's viewport.
It'll work as long as there aren't any other positioned elements as its parents.
.banner {
position: absolute;
top: 5%;
left: 25%;
right: 25%;
bottom: 5%;
}
2) Making a thing that sticks around the image, which will serve as a positioning guide for the little X.
<div class="shrinkwrap">
<img src="...">
X
</div>
.shrinkwrap {
/* shrink-wraps this div around its content;
as a side-effect, lets this div be centered with text-align: center; */
display: inline-block;
/* new positioning context! */
position: relative;
/* keeps the responsiveness */
max-width: 100%;
height: 100%;
}
3) Positioning the shrinkwrapper to always be in the center of the .banner.
.banner {
/* ... */
text-align: center;
}
.close-btn {
/* ... */
top: 0;
}
The finished version of this is here: http://jsfiddle.net/boxmein/qq590xz5/5/
I want to display a loader inside the container. I am trying to display the overlay div inside the container.
if I use absolute position, the overlay also going top.
Here is Fddle : http://jsfiddle.net/vaykmry4/5/
Code :
<style>
.container
{
margin: 25%;
position:relative;
width:200px;
height:200px;
border:3px solid #ddd;
overflow:auto;
}
.overlay {
width:100%;
height:100%;
margin:auto;
left:0;
top:0;
position:absolute;
background:#fff;
opacity:.8;
text-align:center;
}
.loader {
display:inline-block;
}
</style>
<div class="container">
<div class="overlay">
<span class="loader">
loading...
</span>
</div>
<div class="content">Here is content ... <div>
</div>
Thanks.
First of all I should note that a fixed element is positioned relative to the initial containing block which is established for the html element.
Hence you should use absolute positioning to position the overlay relative to its nearest containing block which is established by the container.
.container {
position: relative;
overflow: auto;
}
.overlay { position: absolute; }
Second, It will work until the content start growing. When the content height gets bigger than the overlay, the overlay will not fill the entire space of the container anymore.
Since you may use JavaScript in order to to display the overlay (including loading, etc.) one solution is to add overflow: hidden; to the container to prevent from scrolling.
Finally, you should set top property of the .overlay element according to the position of the vertical scroll-bar.
Here is the jQuery version of the above approach:
var $container = $(".container");
$(".overlay").fadeIn().css("top", $container.scrollTop() + "px");
$container.css("overflow", "hidden");
EXAMPLE HERE
You are using margin: 25% on container which is causing the gap of 50% top-bottom value for overlay, so use height: 150% instead of 100%
.container
{
margin: 25%;
position:relative;
width:200px;
height:200px;
border:3px solid #ddd;
overflow:auto;
}
.overlay {
width:100%;
height: 150%;
margin:auto;
left:0;
top:0;
bottom: 0;
right: 0;
position:absolute;
background:#000;
opacity:.5;
}
.content {
height:300px;
}
working fiddle
position: absolute will let you place any page element exactly where you want it with the help of top right bottom left attributes. These values will be relative to the next parent element.
position: fixed is a special case of absolute positioning. A fixed position element is positioned relative to the viewport.
In your case you should use position: absolute for your .overlay
Use this:
HTML:
<div class="container overlay">
<div class="content"><div>
</div>
CSS:
.container
{
margin: 25%;
position:relative;
width:200px;
height:200px;
border:3px solid #ddd;
overflow:auto;
}
.overlay {
margin:auto;
left:0;
top:0;
position:relative;
background:#000;
opacity:.5;
}
.content {
height:300px;
}
Here is the working fiddle
I have a parent Div positioned relatively and is set to overflow:hidden. How do I overlay the Div inside?
I set the margin of the inner div to negative because I want it to overlap with the parent div.
html
<div class="out">
<div class="in">
</div>
</div>
css
.out{
margin-left:100px;
width:130px;
height:130px;
margin-top:10px;
border:1px solid blue;
position:relative;
overflow:hidden;
}
.in{
width:80px;
height:80px;
z-index: 999;
clear: both;
position: absolute;
margin-left: -20px;
margin-top: -20px;
background-color:yellow;
}
Use:
position:absolute
z-index:9999;
You can position an overlay inside of your div
Remember to set your parent div with the position:relative property and a lower z-index
Made the following changes to your .in CSS,
width:100%;
height:100%;
removed the following lines,
margin-left: -20px;
margin-top: -20px;
Test Link
This question already has answers here:
How can I center an absolutely positioned element in a div?
(37 answers)
Closed 8 years ago.
In the example below, #logo is positioned absolutely and I need it to be horizontally centered within #header. Normally, I would do a margin:0 auto for relatively positioned elements but I am stuck here. Can someone show me the way?
JS Fiddle: http://jsfiddle.net/DeTJH/
HTML
<div id="header">
<div id="logo"></div>
</div>
CSS
#header {
background:black;
height:50px;
width:100%;
}
#logo {
background:red;
height:50px;
position:absolute;
width:50px
}
If you want to align center on left attribute.
The same thing is for top alignment, you could use margin-top: (width/2 of your div), the concept is the same of left attribute.
It's important to set header element to position:relative.
try this:
#logo {
background:red;
height:50px;
position:absolute;
width:50px;
left:50%;
margin-left:-25px;
}
DEMO
If you would like to not use calculations you can do this:
#logo {
background:red;
width:50px;
height:50px;
position:absolute;
left: 0;
right: 0;
margin: 0 auto;
}
DEMO2
You will have to assign both left and right property 0 value for margin: auto to center the logo.
So in this case:
#logo {
background:red;
height:50px;
position:absolute;
width:50px;
left: 0;
right: 0;
margin: 0 auto;
}
You might also want to set position: relative for #header.
This works because, setting left and right to zero will horizontally stretch the absolutely positioned element. Now magic happens when margin is set to auto. margin takes up all the extra space(equally on each side) leaving the content to its specified width. This results in content becoming center aligned.
Was missing the use of calc in the answers, which is a cleaner solution.
#logo {
position: absolute;
left: calc(50% - 25px);
height: 50px;
width: 50px;
background: red;
}
Works in most modern browsers: http://caniuse.com/calc
Maybe it's too soon to use it without a fallback, but I thought maybe for future visitors it would be helpful.
In my experience, the best way is right:0;, left:0; and margin:0 auto. This way if the div is wide then you aren't hindered by the left: 50%; that will offset your div which results in adding negative margins etc.
DEMO http://jsfiddle.net/kevinPHPkevin/DeTJH/4/
#logo {
background:red;
height:50px;
position:absolute;
width:50px;
margin:0 auto;
right:0;
left:0;
}
here is the best practiced method to center a div as position absolute
DEMO FIDDLE
code --
#header {
background:black;
height:90px;
width:100%;
position:relative; // you forgot this, this is very important
}
#logo {
background:red;
height:50px;
position:absolute;
width:50px;
margin: auto; // margin auto works just you need to put top left bottom right as 0
top:0;
bottom:0;
left:0;
right:0;
}
Its easy, just wrap it in a relative box like so:
<div class="relative">
<div class="absolute">LOGO</div>
</div>
The relative box has a margin: 0 Auto;
and, important, a width...
I'm finally trying to do away with tables and use CSS.
I have 3 DIVs that make up a three layered layout: header, body and footer. I'm now trying to overlay a 900px wide DIV on top of these layers, center aligned, which will hold some of my content and navigational buttons.
These are the 3 layers:
And this (done in Photoshop), is what I am trying to achieve but transparent to the eye:
My 3 base layers are coded like this:
<div id="main" style="width:100%; z-index:1; position:relative;">
<div id="header" style="width:100%; height:175px; text-align:center; background:#151515; z-index:1;"></div>
<div id="contents" style="width:100%; height:400px; position:relative; background:#FFF; z-index:1;"></div>
<div id="footer" style="width:100%; height:200px; position:relative; background:#151515; z-index:1;"></div>
</div>
I did manage to get a new layer to sit on top but it wasn't center aligned. Could somebody please point me in the right direction?
Somehting like this could help:
JSFiddle: http://jsfiddle.net/DSH5J/
Add:
<div id="square"></div>
#square {
position: absolute;
top:0;
bottom:0;
left:0;
right:0;
margin:0 auto;
margin-top:50px;
width:80%;
height:100%;
background-color:#333;
z-index:10;
}
Set the width and set margin-left and margin-right to auto. That's for horizontal only, though. If you want both ways, you'd just do it both ways.
margin-left:auto;
margin-right:auto;
Easiest way that I know of to centre a div of known width is to give it the following styles:
position: absolute;
left: 50%;
width: 900px;
margin-left: -450px;
"Putting my money where my mouth is": http://jsfiddle.net/YVmBU/2/
HTML:
<div id="main">
<div id="header"></div>
<div id="contents-box">
<div id="contents">
<p>Some text</p>
<p>etc</p>
<p>etc</p>
<p>etc</p>
<p>etc</p>
<p>etc</p>
</div>
</div>
<div id="footer"></div>
</div>
CSS:
#main {
}
#header {
position: relative;
height:100px;
background:#151515;
z-index: -1;
}
#contents-box {
border: dashed grey 1px; /* for understanding only, remove it in the end */
z-index: 1;
margin-top: -30px;
margin-bottom: -30px;
/* TODO: address min-height; try only one line of text. */
/* fixed height would work too, but would not let the box stretch dynamically */
}
#contents {
width: 75%;
height: 100%;
margin: 0 auto;
background: grey;
z-index: 1;
}
#footer {
position: relative;
height:75px;
background:#151515;
z-index: -1;
}
The only problem is with few text content: if min-height is used on #content, then the grey background does not stretch when there is few text; if a static height of N px is used, then the box does not stretch dinamically.
But if the two black bars merging when there is few content is not important, then ignore it.
Remove the grey dashed border and grey background; those are helpers - to know where each box is and understand what is happening.
By the way, the position: relative needs to be there on the z-index: -1; layers, otherwise the background does not go under. Read on position: this is because things in html have position: static by default, and z-index relies on position for its behaviour.
You can read about this in this page: http://tjkdesign.com/articles/z-index/teach_yourself_how_elements_stack.asp
The only problem is with few text content: if min-height is used on #content, then the grey background does not stretch when there is few text; if a static height of N px is used, then the box does not stretch dinamically.
But if the two black bars merging when there is few content is not important, then ignore it.