// 浮动
.vci-fl {
  float: left;
}

.vci-fr {
  float: right;
}

// 清除浮动
%vci-clear-float {
  clear: both;
  *zoom: 1;
}

%vci-zero {
  display: block;
  width: 0;
  height: 0;
}

.vci-clear-element {
  @extend %vci-clear-float;
  @extend %vci-zero;
}

.vci-clear {
  &::after {
    @extend %vci-clear-float;
    @extend %vci-zero;

    content: " ";
  }
}