h1 {
    font-size: 18px;
}
h2 {
    font-size: 16px; 
}
h3 {
    font-size: 14px;
}
h4 {
    font-size: 12px;
}
h5 {
    font-size: 11px;
}   
h6 {
    font-size: 10px;
}

pre {
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    background-color: #000; 
    color: #fff;
    padding: 5px 10px 5px 10px;
    letter-spacing: 1px;
    border: 0px;
    border-radius: 0px;
    text-align: left;
    word-break: normal;
    word-wrap: normal;
}
address {
    font-family: 'Roboto', sans-serif;
    font-style: italic;   
}