css mixin example

gistfile1.css

.container {
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  -o-border-radius: 4px;
  -ms-border-radius: 4px;
  border-radius: 4px;
  text-align: center;
  position: relative; }

.content {
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  -o-border-radius: 8px;
  -ms-border-radius: 8px;
  border-radius: 8px;
  color: #fff; }

.main {
  -webkit-border-radius: 25px;
  -moz-border-radius: 25px;
  -o-border-radius: 25px;
  -ms-border-radius: 25px;
  border-radius: 25px; }

.main-content {
  -webkit-border-radius: 16px;
  -moz-border-radius: 16px;
  -o-border-radius: 16px;
  -ms-border-radius: 16px;
  border-radius: 16px; }