#flex-container {display: -webkit-flex; display: -ms-flex; display: flex; -webkit-flex-wrap: wrap; -ms-flex-wrap: wrap; flex-wrap: wrap;}
.layout1 {float:left; width:31%; background-color:#fff; }
.layout2 {float:left; width:31%; background-color:#fff; }
.layout3 {float:left; width:31%; background-color:#fff; }
.layout1, .layout3, .layout2 {padding:2px; margin:2px;}