@media screen and (max-width:992px){#left-display{display:none}}@keyframes bck_wrap_msg{0%{opacity:0}50%{opacity:0}100%{opacity:1}}.bck_wrap_msg{animation:bck_wrap_msg 4s linear;position:absolute;padding:20px;padding-bottom:0px;box-sizing:border-box;width:100%;color:#888;font-size:18px}