Simple 3-2-1 responsive column layout

Simple 3-2-1 responsive column layout

by Emmanuel Garcia

HTML

<ul class="responsive-container col-3-2-1">
    <li class="column-element">Elem1</li>
    <li class="column-element">Elem2</li>
</ul>

CSS

.responsive-container {
  margin:0;
  padding: 0;
  overflow: hidden;
}

.responsive-container .column-element {
  display: block;
  margin: 0; 
  padding: 10px 0;
}

.responsive-container .column-element:last-child:after {
  visibility: hidden;
  content: ".";
  display: block;
  height: 0;
  clear: both;
}

@media (min-width: 600px) {
  .responsive-container.col-3-2-1 .column-element {
    width: 50%;
  }
  .responsive-container.col-3-2-1 .column-element:nth-child(2n+1), .responsive-container.col-3-2-1 .column-element:nth-child(2n+2) {
    float: left;
  }
  .responsive-container.col-3-2-1 .column-element:nth-child(2n+3) {
    float: right;
  }
}
@media (max-width: 600px) {
  .responsive-container.col-3-2-1 .column-element {
    width: 50%;
  }
  .responsive-container.col-3-2-1 .column-element:nth-child(2n+1) {
    float: left;
  }
  .responsive-container.col-3-2-1 .column-element:nth-child(2n+2) {
    float: right;
  }
}
@media (max-width: 400px) {
  .responsive-container.col-3-2-1 .column-element {
    width: 100%;
  }
  .responsive-container.col-3-2-1 .column-element:nth-child(1n) {
    float: none;
  }
}