div#header {
    background: white;
    margin-bottom: 20px;
    text-align: center;
    padding: 50px;
    box-shadow: 0 5px 20px #0000002e;
}

body {
    margin: 0;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

li {
    display: inline-block;
    margin: 20px;
    color: blue;
}

li a {
    color: #268fae;
    text-decoration: none;
}