/assets/scss/material-dashboard/mixins/_hover.scss

@mixin bmd-hover-focus-active {
  // add the .active to the whole mix of hover-focus-active
  &.active {
    @content;
  }
  @include hover-focus-active() {
    @content;
  }
}

@mixin transform-translate-y($value){
     -webkit-transform:  translate3d(0,$value, 0);
        -moz-transform: translate3d(0, $value, 0);
        -o-transform: translate3d(0, $value, 0);
        -ms-transform: translate3d(0, $value, 0);
        transform: translate3d(0, $value, 0);
}