h1 {
    border-bottom: 1px solid;
}

.seccion {
    margin: 20px 0;
    padding: 20px 0;
    background-color: #e9e9e9;
    font-size: 16px;
    border-radius: 6px;
}

.seccion p {
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: 200
}

#footer {
    font-size: 10px;
}