.flex-container {
  padding: 0;
  margin: 0;
  list-style: none;
  background:#B1B1B1;
  height:600px;
  width:1000px;
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  
}


  


.flex-item {
  background: tomato;
  padding: 5px;
  
  height: 150px;
  margin: 10px;
  line-height: 150px;
  color: white;
  font-weight: bold;
  font-size: 3em;
  text-align: center;
  flex-basis: 200px;
  -webkit-flex-basis: 200px;
  flex-shrink: 1;
}



.flex-item:nth-child(3) {
	flex-shrink: 3;
	-webkit-flex-shrink: 3;
}



.