*{
    box-sizing: border-box;
}


.container{
    background-color: lightblue;
    height: 500px;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
   width: 800px;
}


.container div{
     flex-basis: 350px;
    background-color: blue;
    color: white;
    width: 20%;
    border: 1px solid black;
}
.different
{
    flex-shrink: 2

}