.container{max-width:800px;margin:20px auto;padding:20px;background-color:#000;color:#fff;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,.1);h1{font-size:2.5rem;margin-bottom:20px;text-align:center}h1,h2{color:#eee}h2{font-size:2rem;margin-bottom:16px}h3{font-size:1.5rem;margin-bottom:12px}h3,h4{color:#eee}h4{font-size:1.2rem;margin-bottom:10px}p{font-size:1.1rem}ol,p,ul{margin-bottom:16px}ol,ul{margin-left:20px}ol li,ul li{margin-bottom:8px}a{color:#eee;text-decoration:none}a:hover{text-decoration:underline}strong{color:#eee}.definition-list{margin-left:20px;margin-bottom:16px}.definition-list dt{font-weight:700;color:#3498db;margin-bottom:8px}.definition-list dd{margin-bottom:16px}@media (max-width:600px){.container{padding:15px}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.2rem}p{font-size:1rem}}}