body{font-family:-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;margin:0}a{color:#000;text-decoration:none}@media only screen and (min-width: 900px){main{margin-left:25%;width:50%}}nav ul{list-style-type:none;margin:0;padding:0;display:flex;align-items:stretch;background-color:#7ab2ff}nav ul li{display:flex}nav ul li:first-child a{font-weight:bold;font-size:24px}nav ul li a{display:flex;align-items:center;color:#fff;text-align:center;padding:14px 16px;text-decoration:none;font-size:18px}nav ul li a:hover{background-color:#318ae3}table{width:100%;border-collapse:collapse;text-align:center}table th,table td{border:1px solid #000;padding:2px}table thead,table tbody tr:nth-child(even){background-color:#ebebeb}