datamad2017/_sass/modules/_utility.scss

@mixin vendorize($property, $value) {
     @each $prefix in -webkit-, -moz-, -ms-, -o-, '' {
          #{$prefix}#{$property}: $value;
     }
}

@mixin clear() {
    &:before, &:after {
        content: "\0020";
        display: block;
        height: 0;
        overflow: hidden;
    }
    &:after {
        clear: both;
    }
}

@mixin hoverActiveFocus($property, $value) {
    &:hover, &:active, &:focus {
        #{$property}: $value;
    }
}

@mixin linkColor($color) {
     color: $color;
     
     &:hover, &:active, &:focus {
         color: lighten($color, $link-lighten-amount);
     }
}