flexbox-mixins.less

.flex-container {
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-direction: normal;
     -moz-box-direction: normal;
  -webkit-box-orient: horizontal;
     -moz-box-orient: horizontal;
  -webkit-flex-direction: row;
      -ms-flex-direction: row;
          flex-direction: row;
  -webkit-flex-wrap: nowrap;
      -ms-flex-wrap: nowrap;
          flex-wrap: nowrap;
  -webkit-box-pack: start;
     -moz-box-pack: start;
     -ms-flex-pack: start;
  -webkit-justify-content: flex-start;
          justify-content: flex-start;
  -webkit-align-content: stretch;
     -ms-flex-line-pack: stretch;
          align-content: stretch;
}
.flex-fixed-width(@width, @order) {
  -ms-flex-order: @order;
   -webkit-order: @order;
           order: @order;
  -webkit-flex: 0 1 @width;
      -ms-flex: 0 1 @width;
          flex: 0 1 @width;
  -ms-flex-item-align: auto;
   -webkit-align-self: auto;
           align-self: auto;
}

.flex-expander(@order) {
	-ms-flex-order: @order;
	 -webkit-order: @order;
           order: @order;
  -webkit-flex: 1 1 auto;
      -ms-flex: 1 1 auto;
          flex: 1 1 auto;
  -ms-flex-item-align: auto;
   -webkit-align-self: auto;
           align-self: auto;
}