.uni-left {
  float: left;
}

.uni-right {
  float: right;
}

.uni-clearfix {
  clear: both;
}

.uni-clearfix:before {
  display: table;
  content: ' ';
}

.uni-clearfix:after {
  content: '';
  display: block;
  clear: both;
  height: 0;
  visibility: 0;
}