:host{background-color:#fff}.dark-mode{background-color:#333;color:#fff}@media (max-width: 768px){body{font-size:14px}.container{padding:10px}}@media (min-width: 769px) and (max-width: 1024px){body{font-size:16px}.container{padding:20px}}@media (min-width: 1025px){body{font-size:18px}.container{padding:30px;max-width:1200px;margin:0 auto}}