.marquee{position:relative;z-index:1}.marquee .halfBg{background:transparent;height:85px}.marquee .halfBg::before{position:absolute;background:#fff;width:50%;height:85px;top:0;left:0;z-index:-1}@media(max-width:679px){.marquee .halfBg{background:#fff}}@media(min-width:680px){.marquee .halfBg::before{content:""}}.marquee-wrap{width:100%;overflow:hidden;background:#fff}