Set text-align:center; to the parent div, and margin:auto; to the child div. #parent { text-align:center; background-color:blue; height:400px; width:600px; } .block { height:100px; width:200px; text-align:left; } .center { margin:auto; background-color:green; } .left { margin:auto auto auto 0; background-color:red; } .right { margin:auto 0 auto auto; background-color:yellow; } <div id=”parent”> <div id=”child1″ class=”block center”> a block to … Read more
With CSS 2 you can do this: input[type=”checkbox”] { … } This should be pretty widely supported by now. See support for browsers
Flexible Box Layout Module – 8.1. Aligning with auto margins Auto margins on flex items have an effect very similar to auto margins in block flow: During calculations of flex bases and flexible lengths, auto margins are treated as 0. Prior to alignment via justify-content and align-self, any positive free space is distributed to auto … Read more
The problem with opacity is that it will also affect the content, when often you do not want this to happen. If you just want your element to be transparent, it’s really as easy as : background-color: transparent; But if you want it to be in colors, you can use: background-color: rgba(255, 0, 0, 0.4); … Read more
The children of a row-flexbox container automatically fill the container’s vertical space. Specify flex: 1; for a child if you want it to fill the remaining horizontal space: .wrapper { display: flex; flex-direction: row; align-items: stretch; width: 100%; height: 5em; background: #ccc; } .wrapper>.left { background: #fcc; } .wrapper>.right { background: #ccf; flex: 1; } … Read more
First, let’s see why this is happening. The reason is that, surprisingly, when a box has position: absolute its containing box is the parent’s padding box (that is, the box around its padding). This is surprising because usually (that is, when using static or relative positioning) the containing box is the parent’s content box. Here … Read more
Use ampersand to specify the parent selector. SCSS syntax: p { margin: 2em auto; > a { color: red; } &:before { content: “”; } &:after { content: “* * *”; } }
Older Browser Support If older browser support is a must, so you can’t go with multiple backgrounds or gradients, you’re probably going to want to do something like this on a spare div element: #background { position: fixed; top: 0; left: 0; width: 50%; height: 100%; background-color: pink; } Example: http://jsfiddle.net/PLfLW/1704/ The solution uses an … Read more
If you want the same image to scale based on the size of the browser window: background-image:url(‘../images/bg.png’); background-repeat:no-repeat; background-size:contain; background-position:center; Do not set width, height, or margins. EDIT: The previous line about not setting width, height or margin refers to OP’s original question about scaling with the window size. In other use cases, you may … Read more
Internet Explorer 9 and lower : You could use conditional comments to load an IE-specific stylesheet for any version (or combination of versions) that you wanted to specifically target.like below using external stylesheet. <!–[if IE]> <link rel=”stylesheet” type=”text/css” href=”https://stackoverflow.com/questions/28417056/all-ie-only.css” /> <![endif]–> However, beginning in version 10, conditional comments are no longer supported in IE. Internet … Read more