.adslot_top { min-width:400px; max-width:728px; width:100%; height:90px }

.adslot_right_top { width: 320px; height: 50px; }
@media (min-width:500px) { .adslot_right_left { width: 468px; height: 60px; } }
@media (min-width:800px) { .adslot_right_left { width: 728px; height: 90px; } }

.adslot_exand_right { display:inline-block; width: 125px; height: 600px;  }
@media (max-width: 1000px) { .adslot_exand_right { display: none; } }