.u-fwb {
  font-weight: bold;
}

.u-tac {
  text-align: center;
}

.u-tal {
  text-align: left;
}

.u-tar {
  text-align: right;
}

.u-cf {
  @include clearfix;
}

.u-lt {
  text-decoration: line-through;
}

@for $i from 1 through 20 {
  .u-to#{$i} {
    @include text--overflow(#{$i});
  }
}