Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.6)
// Compass (v1.0.1)
// ----

$class_list: icon-device, icon-explore, icon-recommend, icon-recentlywatched;

%class_styles {
    content: '';
    display: block;
    position: absolute;
    left: 0px;
    top: -10px;
    width: 50px;
    height: 50px;
    background-position: 50%;
    background-repeat: no-repeat;
}

@mixin icon-classes {
  @each $class in $class_list {
  .#{$class}:before { @extend %class_styles; }
  }
}

@include icon-classes;

SassMeister-output.css

.icon-device:before, .icon-explore:before, .icon-recommend:before, .icon-recentlywatched:before {
  content: '';
  display: block;
  position: absolute;
  left: 0px;
  top: -10px;
  width: 50px;
  height: 50px;
  background-position: 50%;
  background-repeat: no-repeat;
}