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sass-toolbox
/*
* Sass Toolbox
* A useful collection of Sass functions and mixins
* http://zerosixthree.se/8-sass-mixins-you-must-have-in-your-toolbox/
*/
// rem font-size with pixel fallback
@function calculateRem($size) {
$remSize: $size / 16px;
@return $remSize * 1rem;
}
@mixin font-size($size) {
font-size: $size;
font-size: calculateRem($size);
}
// breakpoints
@mixin bp-large {
@media only screen and (max-width: 60em) {
@content;
}
}
@mixin bp-medium {
@media only screen and (max-width: 40em) {
@content;
}
}
@mixin bp-small {
@media only screen and (max-width: 30em) {
@content;
}
}
// svg with png and retina fallback
$image-path: '../img' !default;
$fallback-extension: 'png' !default;
$retina-suffix: '@2x';
@mixin background-image($name, $size:false){
background-image: url(#{$image-path}/#{$name}.svg);
@if($size){
background-size: $size;
}
.no-svg &{
background-image: url(#{$image-path}/#{$name}.#{$fallback-extension});
@media only screen and (-moz-min-device-pixel-ratio: 1.5), only screen and (-o-min-device-pixel-ratio: 3/2), only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min-device-pixel-ratio: 1.5) {
background-image: url(#{$image-path}/#{$name}#{$retina-suffix}.#{$fallback-extension});
}
}
}
// animations and keyframes
@mixin keyframes($animation-name) {
@-webkit-keyframes $animation-name {
@content;
}
@-moz-keyframes $animation-name {
@content;
}
@-ms-keyframes $animation-name {
@content;
}
@-o-keyframes $animation-name {
@content;
}
@keyframes $animation-name {
@content;
}
}
@mixin animation($str) {
-webkit-animation: #{$str};
-moz-animation: #{$str};
-ms-animation: #{$str};
-o-animation: #{$str};
animation: #{$str};
}
// transitions
@mixin transition($args...) {
-webkit-transition: $args;
-moz-transition: $args;
-ms-transition: $args;
-o-transition: $args;
transition: $args;
}
// opacity
@mixin opacity($opacity) {
opacity: $opacity;
$opacity-ie: $opacity * 100;
filter: alpha(opacity=$opacity-ie); //IE8
}
// clearfix
%clearfix {
*zoom: 1;
&:before, &:after {
content: " ";
display: table;
}
&:after {
clear: both;
}
}
// visually hide an element
%visuallyhidden {
margin: -1px;
padding: 0;
width: 1px;
height: 1px;
overflow: hidden;
clip: rect(0 0 0 0);
clip: rect(0, 0, 0, 0);
position: absolute;
}
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