body{font-family:Arial, sans-serif;color:#333333;background-color:#F0F0F0;}.header{background-color:#FFFFFF;padding:20px;text-align:center;}.header h1{font-size:24px;margin:0;}.navbar{background-color:#333333;color:#FFFFFF;}.navbar ul{list-style-type:none;margin:0;padding:0;}.navbar li{display:inline-block;margin-right:10px;}.navbar a{color:#FFFFFF;text-decoration:none;padding:5px;}.navbar a:hover{color:#FF0000;}.content{margin:20px;}.footer{background-color:#333333;color:#FFFFFF;padding:10px;text-align:center;font-size:12px;}