body{background:#f6f9fe}.main-body .headerBanner{height:320px;background-repeat:no-repeat;background-image:url(../../dist/images/banner.png);background-size:100%}@media (max-width:992px){.main-body .headerBanner{height:190px}}@media (max-width:768px){.main-body .headerBanner{height:160px}}@media (max-width:600px){.main-body .headerBanner{height:80px}}