.backBtn{position:fixed;top:81px;left:20px;z-index:1000;border:none;outline:none;background:hsla(0,0%,100%,.9);backdrop-filter:blur(10px);padding:10px 16px;border-radius:999px;font-size:14px;font-weight:600;color:#111;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.08);transition:.2s}.backBtn:hover{transform:translateX(-3px);background:#fff}@media (max-width:768px){.backBtn{top:54px;left:14px;padding:9px 14px;font-size:13px}}