auto-height div and image CSS - html

I have a set of images of unknown height. The code for each looks like this:
Code:
<div class="x">
<div class="a"><img src="foto.png" /></div>
<div class="b"></div>
</div>
I tried using display: block for the image, and height: auto for class x.
I don't know why, but I'm getting the expected behavior on Firefox but not Opera 19.
In Firefox I get normal squares with random-height images -- one under one, depending on image height. In Opera I only get flat rectangle(s) and all I can see is top of the image, with the rest of it truncated.
How do I need to do this such that it works on all browsers?
CSS
.x
{
min-height: 200px;
}
.a img
{
display: block;
}
.b
{
display: none;
}

Adding overflow: hidden; or a float to .x. AND .a, should fit the height of .x and .a to the height of the image, as long as you don't specify a height for .x or .a.

The problem was with Masonry I use. Sorry that I didn't mention about it.
Solution I've found so far: jquery masonry breaks(stacks images) in chrome/safari but only on first load

Related

Strange behavior with image inside floated container

Given this simple layout:
HTML
<div class="container">
<div class="imgContainer">
<img src="http://placehold.it/400x400">
</div>
<div>
This should always stay to the right of the image.
</div>
</div>
CSS
.container {
height: 20vh;
}
.imgContainer {
float: left;
height: 100%;
}
img {
height: 100%;
}
Issue #1
Chrome, Firefox, and Opera correctly display it like this:
IE11 incorrectly puts the text 400 pixels to the right, based on the natural width of the image:
Issue #2
As you increase the window's height, the text should stay glued to the right of the image. This works correctly in Firefox.
However, the text overlaps the image in Chrome and Opera:
See the behavior in this Fiddle.
Question: Is there a style I can add that will cause all browsers to behave consistently?
[Note: I discovered this while working on this question. I thought I had a solution, until I realized it wasn't responsive in any browser except Firefox.]
The following might do the trick.
Instead of using float, I would suggest using CSS tables.
Apply display: table to .container and set the height as needed.
For the two child elements, .imgContainer and .panel, use display: table-cell and inherit the height from the parent block.
I think this is pretty close to what you need, should work in all browsers
(but I did not check...)
.container {
height: 20vh;
display: table;
}
.imgContainer, .panel {
display: table-cell;
height: inherit;
vertical-align: top;
}
img {
vertical-align:top;
height: inherit;
}
<div class="container">
<div class="imgContainer">
<img src="http://placehold.it/400x400">
</div>
<div class="panel">
This should always stay to the right of the image.
</div>
</div>

Removing white space under nested img when resizing without squeezing image

I'm making a basic header using divs and a nested img in a fluid layout. I'm a bit rusty on this and i can't for the love of me figure out how to ensure that the image nested in the div scales without scaling to the point where it becomes smaller its parent div.
EDIT: Updated the codepen link showing how using min-height won't work as it squeezes the image
HTML:
<div class="container">
<div class="item half">
<p>
Some text
</p>
</div>
<div class="item half">
<img src="http://dummyimage.com/hd1080" class="full-width">
</div>
</div>
CSS:
.container{
margin: 0 auto;
max-width: 1920px;
}
.item{
height: 300px;
float:left;
overflow: hidden;
background-color: gray;
}
.half{
width: 50%
}
.full-width{
max-width: 100%;
}
And for good measure a quick illustration of what is happening:
And an illustration of what i want to happen:
Edit: Note that the image here is not being squeezed, which is what happens if you set the image to have a min-height equal to its parent div. But rather the overflow is hidden. You can also see that i do not mind the images being cropped.
Any help appreciated.
You can add min-height equal to the div.item height to your image CSS
img {
max-width:100%;
min-height:300px;
}
I've managed to find the solution i wanted in this thread. The function i was looking for was object-fit.
I've used the following solution:
img{
min-height: 100%;
object-fit: cover;
}
Edit: quickly found out that this property is only properly supported by Firefox, Chrome and Opera. Use this polyfill to fix this on Safari and IE.

Bootstrap 3 column with 100% height

I have a page with following html markup:
<html>
<head>...</head>
<body>
<div class="container">
<header>...</header>
<div class="wrapper">
<div class="row">
<div class="col-md-8">...</div>
<div class="col-md-3 col-md-offset-1 col-aside">
<aside>...</aside>
</div>
</div>
</div>
</div>
</body>
</html>
I set 100% height for:
html, body, body > .container {
height: 100%;
}
.wrapper {
min-height: 100%;
}
.wrapper > .row {
min-height: 100%;
}
.col-aside {
min-height: 100%;
}
So I want that both my columns have minimum height of 100%. While inspecting my page with chrome developer tools I realized that .row and .col-aside don't get 100% height. I am a little bit lost because I saw answers dealing with display: table but I'm pretty sure it's not necessary since I managed to do this layout without bootstrap using just divs and their heights.
So have to stretch columns so that they have min-height: 100% preferably without using display: table and position: absolute?
updated: jsfiddle http://jsfiddle.net/U6H6W/ . Something like that, here you can see that .row doesn't get 100% height in spite of the fact that .wrapper gets 100%
A better solution would be to use viewport height, e.g.:
.col-aside {
height: 100vh;
}
You can easily specify the height of one div, without having to specify the height of the higher level HTML blocks.
Viewport is supported in all modern browsers, and as far back as IE9. IE8 does not support viewport, but if you need legacy support going back that far you can set a fallback to height: 100% (making sure you cover all of the containing blocks.)
Here is a jsbin to demonstrate:
http://jsbin.com/zeyuraka/1/edit
When dealing with heigth:100%, all the parents should be in height:100%. If one isn't, then no child is.
The 100% approach is complicated, especially when it comes to many childs with padding or margins. It could not display what you expect (i.e. exceed screen size).
You could try position: fixed, with bottom:0, but you will have to handle the position of the non-fixed div.

<html> height 100% does not include y-overflow content?

I have a page with content contained in <html></html> - I'm trying to get a sidebar to span all the way down to the bottom of the page, even if there's vertical overflow.
This is working if there's no vertical overflow, but if there is, the sidebar just stops at wherever the bottom of the page was when the page loaded.
If I use chrome dev tools, I can see that all elements - all the way up to <html>, have their height limited to however big the window was when it loaded. Is this normal? My problem would be solved if I could tell <html> to somehow span vertically to include all content, but I don't know if that's the right solution.
I have set the sidebar and all parents to height:100%, including html:
html, body, .durandal-wrapper, #shell-row, #sidebar {
height: 100% !important;
}
I've been working on getting this demod in jsfiddle but can't get it working. here's what it looks like on my end:
You could use css tables to achieve this.
FIDDLE1 FIDDLE2
Markup
<div class="container">
<div class="sideBar">sideBar</div>
<div class="main">
Content.
</div>
</div>
CSS
.container
{
display: table;
}
.sideBar
{
display: table-cell;
background:pink;
width: 100px;
}
.main
{
display: table-cell;
background:yellow;
overflow:auto;
vertical-align: top;
}
Faux columns is the usual CSS pattern for your issue:
http://line25.com/articles/create-sidebars-of-equal-height-with-faux-columns

CSS: Vertically align div when no fixed size of the div is known

How do I align a <div> which contains an image (or flash) vertically with CSS. Height and width are dynamic.
This is a pure CSS2 solution for horizontally and vertically centering without known sizes of either container nor child. No hacks are involved. I discovered it for this answer and I also demonstrated it in this answer.
The solution is based on vertical-align: middle in conjunction with line-height: 0, which parent has a fixed line-height.
The HTML:
<span id="center">
<span id="wrap">
<img src="http://lorempixum.com/300/250/abstract" alt="" />
</span>
</span>
And the CSS:
html,
body {
height: 100%;
width: 100%;
padding: 0;
margin: 0;
overflow: hidden;
}
#center {
position: relative;
display: block;
top: 50%;
margin-top: -1000px;
height: 2000px;
text-align: center;
line-height: 2000px;
}
#wrap {
line-height: 0;
}
#wrap img {
vertical-align: middle;
}
Tested on Win7 in IE8, IE9, Opera 11.51, Safari 5.0.5, FF 6.0, Chrome 13.0.
The only caveat is IE7, for which the two innermost elements have to declared at one line, as demonstrated in this fiddle:
<span id="center">
<span id="wrap"><img src="http://lorempixum.com/300/250/abstract" alt="" /></span>
</span>
Note that the span's are also required for IE7. In every other browser, the span's may be div's.
You can do this by using inline-blocks, one with height: 100% (and same heights for HTML and BODY) and vertical-align: middle.
Example 1: http://jsfiddle.net/kizu/TQX9b/ (a lot of content, so it's full width)
Example 2: http://jsfiddle.net/kizu/TQX9b/2/ (an image with any size)
In this example I use spans, so It would work in IE without hacks, if you'd like to use divs, don't forget to add in Conditional Comments for IE .helper, .content { display: inline; zoom: 1; }, so inline-blocks would work for block elements.
In addition to the other answers here, the CSS3 flexible box model will, amongst other things, allow you to achieve this.
You only need a single container element. Everything inside it will be laid out according to the flexible box model rules.
<div class="container">
<img src="/logo.png"/>
</div>
The CSS is pretty simple, actually:
.container {
display: box;
box-orient: horizontal;
box-pack: center;
box-align: center;
}
I've omitted vendor-prefixed rules for brevity.
Here's a demo in which the img is always in the centre of the page: http://jsfiddle.net/zn8bm/
Note that Flexbox is a fledgling specification, and is only currently implemented in Safari, Chrome and Firefox 4+.
I would recommend this solution by Bruno: http://www.brunildo.org/test/img_center.html
However, I ran into a problem w/ his solution w/r/t webkit. It appears that webkit was rendering a small space at the top of the div if the empty span was allowed to be there. So, for my solution I only add the empty span if I detect the browser to be IE (If someone figures out how to get rid of the space, let me know!) So, my solution ends up being:
HTML:
<div class="outerdiv">
<img src="..." />
</div>
CSS:
.outerdiv {
display: table-cell;
width: 200px;
height: 150px;
text-align: center;
vertical-align: middle;
}
.ie_vertical_align * {
vertical-align: middle;
}
.ie_vertical_align span {
display: inline-block;
height: 150px;
width: 0;
}
And if I detect the browser to be IE I add an empty span element before the img tag and a css style so it looks like:
<div class="outerdiv ie_vertical_align">
<span></span>
<img src="..." />
</div>
Here's a JSFiddle with this code.
Dušan Janovský, Czech web developer, has published a cross-browser solution for this some time ago. Read http://www.jakpsatweb.cz/css/css-vertical-center-solution.html
If you don't care about IE7 and below, you don't have to use multiple nested divs. If you have a div that you want to align vertically, that div is within some container (even if the container is your <body>). Therefore, you can specify display: table-cell and vertical-align: middle on the container, and then your div will be vertically centered.
However, if you do care about IE7 and below, you will need an additional container to make it work (yes, via a hack).
Take a look at this fiddle. It displays correctly in IE6-9 and other major browsers. #container2 is present solely for IE7 and below, so if you don't care about them, you can remove it as well as the IE-specific conditional styles.
Set the image as background of the div and align it center
try the 50% padding trick:
<html>
<body style="width:50%; height: 50%;">
<div style="display:block; display:inline-block; layout-grid:line;
text-align:center; vertical-align:bottom;
padding: 50% 0 50% 0">test</div>
</body>
</html>
This is possible if you know the height of the image or flash object to be centered. You don't need to know the container's height/width, but you do need to know the contained height/width.
It's possible using float, clear and negative margins. Example: www.laurenackley.com homepage.
html
<div id='container'><!-- container can be BODY -->
<div id='vertical-center'> </div>
<div id='contained-with-known-height'>
<p>stuff</p>
</div>
</div>
css
#vertical-center{
height:50%;
width:1px;
float:left;
margin-bottom:-50px;/** 1/2 of inner div's known height **/
}
#contained-with-known-height{
height:100px;
clear:left;
margin:0 auto;/** horizontal center **/
width:700px;
text-align:left;
}
#container{/** or body **/
text-align:center;
/** width and height unknown **/
}
If you don't know the inner elements width/height. You are out of luck with <div>. BUT -- table cells (<td>) do support vertical-align:middle; If you can't get it done with the div stuff above, go with a table inside the container, and put the div you are centering inside a td with vertical-align middle.