.active-word{color:#fff;background-color:rgba(136,93,253,1);font-size:18px;padding:6px;border-radius:12px}.sentence-item{background-color:rgba(136,93,253,.12);border-radius:12px}.content-wrap{max-width:1200px;margin:0 auto}@media (min-width:0px) and (max-width:768px){.audio-btn-wrap{.pr-8{padding-right:15px}}}