h1 {
    font-size: 350%;
    text-align: center;
    font-family: serif;
    font-weight: bold;
    margin-block: 10px ;
}
h3 {
    font-size: 150%;
    text-align: center;
    font-family: serif;
    font-weight: bold;
    margin-block: 5px 20px;
    box-shadow: 0px 5px 10px 0px #000000;
}