body {
    background-color: white;
    margin: 0;
}
h1 {
    background-color: rgb(252, 235, 7);
    margin: 0;
    padding: 16px;
}
a {
    text-align:center;
    display: block;
    background-color: #06f5e9;
    padding: 8px;
    text-decoration: none;
}