*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden}
body{background:#000 center/cover no-repeat;font-family:Arial,Helvetica,sans-serif;display:grid;place-items:center}
body:before{content:"";position:fixed;inset:0;background:rgba(0,0,0,.52);backdrop-filter:blur(2px);z-index:0}
#articleFrame{position:relative;z-index:1;width:90vw;height:90vh;border:0;border-radius:22px;box-shadow:0 24px 80px rgba(0,0,0,.65);background:#050505}
.back-arrow{position:fixed;z-index:2;left:18px;bottom:18px;width:42px;height:42px;border-radius:999px;display:grid;place-items:center;background:rgba(255,255,255,.92);color:#000;text-decoration:none;font-size:24px;font-weight:800;box-shadow:0 10px 28px rgba(0,0,0,.45);opacity:.9}
.back-arrow:hover{opacity:1;transform:translateY(-1px)}
@media(max-width:700px){#articleFrame{width:94vw;height:90vh;border-radius:16px}.back-arrow{width:38px;height:38px;font-size:21px}}