.line{
    content:'';
    width:100%;
    height:1px;
    border:$border-base;
  }

  *,
::before,
::after{
  margin:0;
  padding:0;
  white-space:nowrap;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.clearfix::before,
.clearfix::after{
  content:'';
  display: block;
  height:0px;
  line-height: 0px;
  clear: both;
  visibility: hidden;
}