Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.0.2)
// ----

%column {
  float: left;
}

.one-column {
  float: left;
  width: 10%;
}

.two-column {
  float: left;
  width: 20%;
}

.three-column {
  float: left;
  width: 30%;
}

.four-column {
  float: left;
  width: 40%;
}

.sidebar { 
  @extend .four-column;
}

.content { 
  @extend .two-column;
}

.more { 
  @extend .four-column;
}

SassMeister-output.css

.one-column {
  float: left;
  width: 10%; }

.two-column, .content {
  float: left;
  width: 20%; }

.three-column {
  float: left;
  width: 30%; }

.four-column, .sidebar, .more {
  float: left;
  width: 40%; }