‍Last updated 9 February 2021

This is the most complete cross and backwards browser compatible list of Sass mixins using vendor prefixes. I use this bad boy every day – src download link in footer. If you have any additions please comment below! Enjoy.

/*

  Mixins
  Author - Andy Crone | @andycrone_
  + Popular mixins including vendor prefixes for cross-browser support

*/

// === Standard layout & styling

@mixin box-sizing($value){
  -webkit-box-sizing: $value;
  -moz-box-sizing: $value;
  box-sizing: $value;
}
@mixin box-shadow($value){
  -webkit-box-shadow: $value;
  -moz-box-shadow: $value;
  box-shadow: $value;
}
@mixin border-radius($value){
  -moz-border-radius: $value;
  -webkit--radius: $value;
  border-radius: $value;
}
@mixin background-size($value){
  -o-background-size: $value;
  -webkit-background-size: $value;
  -moz-background-size: $value;
  background-size: $value;
}
@mixin linear-gradient($angle,$gradient1, $gradient2) {
  background-color: $gradient2; /* Fallback Color */
  background-image: -webkit-gradient(linear, $angle, from($gradient1), to($gradient2)); /* Saf4+, Chrome */
  background-image: -webkit-linear-gradient($angle, $gradient1, $gradient2); /* Chrome 10+, Saf5.1+, iOS 5+ */
  background-image:    -moz-linear-gradient($angle, $gradient1, $gradient2); /* FF3.6 */
  background-image:     -ms-linear-gradient($angle, $gradient1, $gradient2); /* IE10 */
  background-image:      -o-linear-gradient($angle, $gradient1, $gradient2); /* Opera 11.10+ */
  background-image:         linear-gradient($angle, $gradient1, $gradient2);
  filter: progid:DXImageTransform.Microsoft.gradient(GradientType=$angle,StartColorStr='#{$gradient1}', EndColorStr='#{$gradient2}');
}

// === Animations

@mixin transition($value) {
  -webkit-transition: $value;
  transition: $value;
}
@mixin transform($value) {
  -o-transform: $value;
  -ms-transform: $value;
  -webkit-transform: $value;
  transform: $value;
}
@mixin transform-origin ($value) {
  -o-transform-origin: $value;
  -ms-transform-origin: $value;
  -webkit-transform-origin: $value;
  transform-origin: $value;
}
@mixin animation($name, $duration, $timing, $type){
  -o-animation: $name $duration $timing $type;
  -moz-animation: $name $duration $timing $type;
  -webkit-animation: $name $duration $timing $type;
  animation: $name $duration $timing $type;
}
@mixin animation-delay($value){
  -o-animation: $value;
  -moz-animation: $value;
  -webkit-animation: $value;
  animation: $value;
}
@mixin keyframes($value) {
  @-webkit-keyframes #{$value} {
    @content;
  }
  @-moz-keyframes #{$value} {
    @content;
  }
  @-o-keyframes #{$value} {
    @content;
  }
  @keyframes #{$value} {
    @content;
  }
}

// === Filters

@mixin filter($value){
  -o-filter: $value;
  -ms-filter: $value;
  -webkit-filter: $value;
  -moz-filter: $value;
  filter: $value;
}

// === Browser mods

@mixin appearance($value){
  -moz-appearance: $value;
  -webkit-appearance: $value;
  appearance: $value;
}
@mixin user-select($value){
  -webkit-touch-callout: $value;
  -webkit-user-select: $value;
  -khtml-user-select: $value;
  -moz-user-select: $value;
  -ms-user-select: $value;
  user-select: $value;
}

Thanks! I’d love you to share these if you find them useful :).