flex direction column half column code example

Example 1: flex grid 3 columns

<div class="row around-xs">
    <div class="col-xs-2">
        <div class="box">
            around
        </div>
    </div>
    <div class="col-xs-2">
        <div class="box">
            around
        </div>
    </div>
    <div class="col-xs-2">
        <div class="box">
            around
        </div>
    </div>
</div>

Example 2: make three column with equal height using flexbox

.pseudo-three-col {
  position: relative;
  background: #eee;
  z-index: 1;
  width: 100%;
}
.pseudo-three-col .col {
  position: relative;
  width: 27%;
  padding: 3%;
  float: left;
}
.pseudo-three-col .col:nth-child(1) { left: 33%; border:solid black }
.pseudo-three-col .col:nth-child(2) { left: -33.3%; }
.pseudo-three-col .col:nth-child(3) { left: 0; }
.pseudo-three-col:before, .pseudo-three-col:after {
  content: " ";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 33.4%;
  width: 33.4%;
  height: 100%;
  background: #ccc;
}
.pseudo-three-col:after {
  left: 66.667%;
  background: #eee;
}