@charset "utf-8";
.flex-container{
	
	display: flex;
	flex-wrap:wrap;
	flex-flow: row;
	
}

.flex-container > .flex-row-item {
    margin:20px;
	min-width:40%;
	 
}

.flex-container >div {
  flex: 0 50%;
  /*demo*/
  border: 1px black solid;
  box-sizing:border-box
}