SASS mixin example1

gistfile1.scss

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

.container {
  @include border-radius(4px);
  text-align: center;
  position: relative; }

.content {
  @include border-radius(8px);
  color: #fff; }

.main { @include border-radius(25px); }
.main-content { @include border-radius(16px); }