body
{
    padding: 5px;
    background: #ffffff;
    color: #000000;
    font-family: Arial, helvetica, sans-serif;
    font-size: 87.5%;
    line-height: 1.4; 
}

.content h1
{
    font-size: 157.143%;
}

.content h2
{
    font-size: 128.571%;
}

.content h3
{
    font-size: 114.286%
}

.content h4,
.content h5,
.content h6
{
    font-size: 100%;
}