*{margin:0;padding:0;box-sizing:border-box}body{font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#ffffff;color:#0f172a;min-height:100vh;padding-bottom:5rem}a:hover{filter:brightness(0.9)}details summary::-webkit-details-marker{display:none}details[open] summary svg{transform:rotate(180deg)}img{max-width:100%;height:auto}


      @keyframes marquee {
        from { transform: translateX(0); }
        to { transform: translateX(-50%); }
      }
    

#thumbnails::-webkit-scrollbar{display:none}


      @keyframes ping {
        75%, 100% { transform: scale(2); opacity: 0; }
      }