Here you can write the styles you want to use for your platform. There is no need to enter style start/end tags.

For example:

H1        {
        font-family:    "Copperplate Gothic Bold";
        background:    transparent;
        color:        #993300;
        text-align:    center;
        }
H2, H3, H4, H5    {
        background:    transparent;
        color:        #993300;
        margin-top:    4%;
        text-align:    center;
        }