#SubBanner{min-width:100%;} #SubBanner>a>div{ background-position-x: 0%; background-position-y: 0%; background-repeat: repeat; background-size: auto; background-size: contain; background-repeat: no-repeat; background-position: center; height: 70px; }

.announce{position:absolute;top:10px;left:0;width:70px;text-align:center;display:block;color:#000;font-size:12px;font-weight:700;padding:.2rem;z-index:60;transform:rotate(-45deg)}.announce:before{content:"";position:absolute;top:-10px;left:0;width:0;height:0;border-width:35px;border-color:#ffc107 transparent transparent #ffc107;border-style:solid;z-index:-10;transform:rotate(45deg)}