.flt-left {
  float: left;
}
.flt-right {
  float: right;
}
.flt-none {
  float: none;
}

.clear {
  clear: both
}
.clearfix {
  &:before, &:after { 
    content: ' '; 
    display: table; 
  }
  &:after { 
    clear: both; 
  }
}