body {
    margin: 10px;
}

h1, h2, h3, h4, h5, h6 {
    color: Black;
    clear: left;
    font: 100% Verdana, Helvetica, Arial, sans-serif;
    margin: 0;
    padding-top: 0.5em;
    border-bottom: 1px solid #8CACBB;
}

h1 {
    font-size: 160%;
}

h2 {
    font-size: 150%;
    margin-left: 10px;
}

h3 {
    font-size: 140%;
    margin-left: 20px;
}

h4 {
    font-size: 120%;
    margin-left: 30px;
}

h5 {
    font-size: 100%;
    margin-left: 40px;
}

h6 {
    font-size: 80%;
    margin-left: 50px;
}