.yandex_adv_bottom{width:100%;position:fixed;left:50%;bottom:0;-ms-transform:translate(-50%,0);-moz-transform:translate(-50%,0);-webkit-transform:translate(-50%,0);-o-transform:translate(-50%,0);transform:translate(-50%,0)}.yandex_adv_left{position:fixed;left:0;top:0;-ms-transform:translate(-50%,0);-moz-transform:translate(-50%,0);-webkit-transform:translate(-50%,0);-o-transform:translate(-50%,0);transform:translate(-50%,0)}.yandex_adv_top_center{width:100%;position:fixed;left:50%;top:0;-ms-transform:translate(-50%,0);-moz-transform:translate(-50%,0);-webkit-transform:translate(-50%,0);-o-transform:translate(-50%,0);transform:translate(-50%,0)}.yandex_mobile{width:320px;height:50px}.yandex_desktop{height:90px}