Created
March 30, 2016 19:45
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Create a thumbnail image (or whatever) that is constrained to a particular aspect ratio.
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// padding to force an aspect ratio | |
// -> apply mixin to a container element, and the child element will be constrained | |
// -> mostly used for images, but should work on basically anything | |
@mixin media-aspect($w, $h, $child_el: ".media-aspect-content") { | |
position: relative; | |
overflow: hidden; | |
&::before, &:before { | |
display: block; | |
content: " "; | |
width: 100%; | |
padding-top: (($w/$h) * 100%); | |
} | |
#{$child_el} { | |
@include color('well', 'background-color'); | |
display: block; | |
position: absolute; | |
top: 0; | |
left: 0; | |
right: 0; | |
bottom: 0; | |
background-size: cover; | |
background-position: center; | |
background-repeat: no-repeat; | |
} | |
} | |
@mixin media-kill-aspect { | |
&:before, &::before { | |
content: none; | |
} | |
} | |
/* Usage: | |
* | |
* <a class="media-aspect-1-2"> | |
* <span class="media-aspect-content" style="background-image: url('[IMAGE HERE]');">ALT TEXT IF NEEDED</span> | |
* </a> | |
* | |
* Use whatever containers you want; it's just padding and background images. "Content" must be nested. | |
*/ |
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