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Center image in div horizontally [duplicate]

I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works... ...
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Put icon inside input element in a form

...nput inside of a div. <div style="border: 1px solid #DDD;"> <img src="icon.png"/> <input style="border: none;"/> </div> Not as "clean", but should work on older browsers. share | ...
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How to align an image dead center with bootstrap

...lable as a mixin and class. Just need to add a class .center-block in the img tag, looks like this <div class="container"> <div class="row"> <div class="span4"></div> <div class="span4"><img class="center-block" src="logo.png" /></div> <div...
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CSS: background image on background color

..... </span> </div> the css: .block{ background-image: url('img.jpg') no-repeat; position: relative; } .block::before{ background-color: rgba(0, 0, 0, 0.37); content: ''; display: block; height: 100%; position: absolute; width: 100%; } ...
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Is it possible to make relative link to image in a markdown file in a gist?

...sing https://gist.github.com/user/605560c2961cb3025038/raw/b75d2...6e8/img.png is that the b75d2...6e8 part varies per file (a quick experimentation confirms it is the git blob id). However you can drop that part resulting in a URL pointing to the latest version: https://gist.github.com/user/...
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What's the valid way to include an image with no src?

... image tag to exist at pageload but just not display anything. I know <img src='' /> is invalid so what's the best way to do this? ...
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Change the image source on rollover using jQuery

... To set up on ready: $(function() { $("img") .mouseover(function() { var src = $(this).attr("src").match(/[^\.]+/) + "over.gif"; $(this).attr("src", src); }) .mouseout(function() { var src = $(this).attr...
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Encoding an image file with base64

...ume data contains your decoded image file_like = cStringIO.StringIO(data) img = PIL.Image.open(file_like) img.show() share | improve this answer | follow | ...
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Concatenate strings in Less

... Variable Interpolation: @url: "@{root}@{file}"; Full code: @root: "../img/"; @file: "test.css"; @url: "@{root}@{file}"; .px{ background-image: url(@url); } share | improve this answer ...
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Can I add color to bootstrap icons only using CSS?

... in the desired color, (eg. magenta) and save it as /path-to-bootstrap-css/img/glyphicons-halflings-magenta.png In your variables.less find // Sprite icons path // ------------------------- @iconSpritePath: "../img/glyphicons-halflings.png"; @iconWhiteSpritePath: "../img/glyphicons-h...