body{font-family:Arial,sans-serif;margin:0 auto;width:80%}.container{max-width:1200px;margin:0 auto}h1,h2,h3{color:#333;margin-top:1em;margin-bottom:.5em}h1{font-size:2.5em}h2{font-size:2em}h3{font-size:1.5em}p{font-size:1em;color:#666}a{display:inline-block;color:#007bff;text-decoration:none;margin-top:.2em;margin-bottom:.2em}a:hover{text-decoration:underline}@media screen and (max-width:768px){body{width:95%}h1{font-size:2em}h2{font-size:1.75em}h3{font-size:1.25em}p{font-size:.9em}}