.column-three-quarters {
  @include grid-column(3/4);
}


.column-one-eighth {
  @include grid-column(1/8);
}

.column-seven-eighths {
  @include grid-column(7/8);
}

.bottom-gutter {
  margin-bottom: $gutter;
  clear: both;
}

.bottom-gutter-2-3 {
  margin-bottom: $gutter * 2/3;
}