columns.css

Basic columns using old school float

@media (min-width:768px) {
  .r {
      clear: left;
  }
  .r:before, .r:after {
      content: "";
      display: table;
  }
  .r:after {
      clear: both;
  }
  .c {
    float: left;
  }
  .c25 {
    width: 25%;
  }
  .c50 {
    width: 50%;
  }
  .c75 {
    width: 75%;
  }
}