.ptitle {
    text-align:center;
    font-size: 1.2em;
    padding-bottom:10px;
    text-decoration: underline;
}

h1 {
    font-size: 28px;
}

h2 {
    font-size: 22px;
    border-top: 1px solid black;
    padding-top:20px;
}