mixin BEM sass

by yamaksum

HTML

<a href="#" class="btn">play</a>
<a href="#" class="btn btn--tr">play</a>

SCSS

@mixin element($element) {
    &--#{$element} {
        @content;
    }
}


.btn{
   background: #ff0000;
  text-align: center;
  min-width: 190px;
  line-height: 47px;
  height: 50px;
  border: 3px solid #fff;
  color: #fff;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 13px;
  display: inline-block;
  @include element('tr') {
      background: transparent;
    }
}