12 column grid

Grid.css

/*
 * Grid
 */

.cols {
  display: block;
}
.cols > [class*='col-'] {
  display: inline-block;
  float: left;
  vertical-align: top;
}
.cols >:first-child {
  padding-right: 10px;
}
.cols >:last-child {
  padding-left: 10px;
}
.cols .col-1 {
  width: 8.33%;
}
.cols .col-2 {
  width: 16.66%;
}
.cols .col-3 {
  width: 24.99%;
}
.cols .col-4 {
  width: 33.32%;
}
.cols .col-5 {
  width: 41.65%;
}
.cols .col-6 {
  width: 49.98%;
}
.cols .col-7 {
  width: 58.31%;
}
.cols .col-8 {
  width: 66.64%;
}
.cols .col-9 {
  width: 74.97%;
}
.cols .col-10 {
  width: 83.30%;
}
.cols .col-11 {
  width: 91.63%;
}
.cols .col-12 {
  width: 99.96%;
}