body{
    background-color:slategrey;}
  
    .container{
          display:grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    width:max-content;
    position:absolute;
    left:30%;
    top:20%;
    }

.container>div{
    border:5px solid black;
    background-color: skyblue;
    border-radius: 5px;
width:200px;
height:200px;
margin:10px;
}