.flex-container {

    display: flex;
  
    height: 400px;
  
    background-color: #0e8d3b;
  
  }
  
  .flex-container > div {
  
    background-color: #EAF0F6;
  
    width: 90px;
  
    margin: 10px;
  
    text-align: center;
  
    line-height: 50px;
  
    font-size: 20px;
  
    flex: 1 1 200px;
  
  }