gistfile1.css

.column.full {
  width: 100%;
}
  
.column.two-thirds {
  width: 65%;
}
  
.column.half {
  width: 47.5%;
}
 
.column.one-third {
  width: 30%;
}
 
.column.one-fourth {
  width: 21.25%;
}