// Fixed-width, centered column for site content.
.rf-container {
  width: $container-width;
  margin-right: auto;
  margin-left: auto;
  @include clearfix;
}

// Grid system
//
// Create rows with `.columns` to clear the floated columns and outdent the
// padding on `.column`s with negative margin for alignment.

.rf-columns {
  margin-right: -$grid-gutter;
  margin-left: -$grid-gutter;
  @include clearfix;
}

// Base class for every column (requires a column width from below)
.rf-column {
  float: left;
  padding-right: $grid-gutter;
  padding-left: $grid-gutter;
}

// Column widths
.rf-one-third {
  width: 33.333333%;
}

.rf-two-thirds {
  width: 66.666667%;
}

.rf-one-fourth {
  width: 25%;
}

.rf-one-half {
  width: 50%;
}

.rf-three-fourths {
  width: 75%;
}

.rf-one-fifth {
  width: 20%;
}

.rf-four-fifths {
  width: 80%;
}

// Single column hack
.rf-single-column {
  padding-right: $grid-gutter;
  padding-left: $grid-gutter;
}

// Equal width columns via table sorcery.
.rf-table-column {
  display: table-cell;
  width: 1%;
  padding-right: $grid-gutter;
  padding-left: $grid-gutter;
  vertical-align: top;
}