.flexbox {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -ms-flex-direction: row;
  -webkit-flex-direction: row;
  flex-direction: row; }

.bigitem {
  -webkit-flex: 2 0 0;
  flex-grow: 2 0 0; }

.smallitem {
  -webkit-flex: 1 0 0;
  flex-grow: 1 0 0; }

.item_lg {
  -webkit-flex: 2.5;
  -ms-flex: 2.5;
  flex: 2.5;
  flex-grow: 2.5;
  vertical-align: top;
  padding-left: 4px;
  padding-right: 4px;
  max-height: 50px; }

.item_md {
  -webkit-flex: 2 0 0;
  flex-grow: 2 0 0;
  vertical-align: top;
  padding-left: 4px;
  padding-right: 4px;
  max-height: 50px; }

.item_sm {
  -webkit-flex: 1.5;
  -ms-flex: 1.5;
  flex: 1.5;
  flex-grow: 1.5;
  max-width: 280px;
  vertical-align: top;
  padding-left: 4px;
  padding-right: 4px;
  max-height: 50px; }

.item_xs {
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  flex-grow: 1;
  vertical-align: top;
  padding-left: 4px;
  padding-right: 4px;
  max-height: 50px; }