#ad_text_under_commentbox, #site_nav_under, #ad_under_post_holder, .c_ad_block, #comment_nav, #footer{
    display: none;
}

#header {
    background-color: #FFFFFF;
    position: fixed;
    width: 100%;
    z-index: 1;
    top: 0px;
}

#mainContent{
    position: relative;
    top: 90px;
}

#goTop {
    bottom: 10px;
    position: fixed;
    right: 10px;
    margin: 0 auto;
    z-index: 1;
}