body {
    background: #00FFFF;
    color: black;
}
header{
    color: black;
    background-color: lightsteelblue;
    border-radius: 50px;
    text-align: center;
    padding:15px;
    margin: 10px;
    font-size: 150%;
    color: black;
}
h3{
    text-decoration: underline;
}