#m_ad
{
    position: fixed;
    z-index: 1000300;
    background-color: rgba(0, 0, 0, 0.5);
    height: 200%;
    width: 100%;
    min-height: 1280px;
    top: 0;
    padding-top: 20px;
}
#m_ad_close
{
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
    z-index: 10999999;
    margin: 20px;
    width: 50px;
    height: 50px;
    padding: 10px;
}
#m_ad_close span
{
    display: block;
    width: 36px;
    height: 36px;
    background: url(../images/ico_cti.png) no-repeat scroll -848px -219px transparent;
}