h1  {
    margin-top: 40px;
    margin-bottom: 30px;
    padding-bottom: 5px;
    border-bottom: 2px solid #909090;
    width: 100%;
}

h2  {
    margin-top: 30px;
    margin-bottom: 20px;
    padding-bottom: 2px;
    border-bottom: 1px solid #909090;
    width: 75%;
}

h3  {
    margin-top: 15px;
    margin-bottom: 10px;
    padding-bottom: 0px;
}

.section  {
    margin-bottom: 40px;
}

.document li {
    margin: 0 0 10px;
}

iframe  {
    display: block;
    margin-top: 20px;
    margin-bottom: 20px;
}

img  {
    margin-top: 10px;
    margin-bottom: 10px;
}

.highlight {
    background: white;
}