@mixin translate($x, $y) {
    -webkit-transform: translate($x, $y);
    -ms-transform: translate($x, $y);
    transform: translate($x, $y);
}

@mixin border-radius($radius) {
  -webkit-border-radius: $radius;
     -moz-border-radius: $radius;
      -ms-border-radius: $radius;
          border-radius: $radius;
}

@mixin border-box() {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}

@mixin border-bottom() {
    border-bottom: 2px solid #fff;
}

@mixin border-top() {
    border-top: 2px solid #fff;
}