body{background-color:#fff}.header{display:grid;grid-template-columns:1fr 1fr 1fr 1fr}.card{border:1px solid black}.card{border:1px solid rgba(0,0,0,.9);background-color:#0000001a;box-shadow:2px 4px 6px #0006;margin-left:40%;margin-bottom:100px}p{text-align:center}.cardbig{background-color:red;color:#fff}.cardsmall{background-color:#00f;color:#fff}