body{color:#000;background-color:silver;margin:0;padding:20px;font-family:Verdana,Arial,sans-serif}#root{background-color:#fff;border:2px solid #000;max-width:800px;margin:0 auto;padding:20px;box-shadow:4px 4px gray}h1,h2,h3{border-bottom:2px solid #000;margin-top:0;padding-bottom:5px;font-family:Times New Roman,serif}input[type=text],input[type=password]{box-sizing:border-box;background-color:#fff;border:2px inset #fff;width:100%;margin-bottom:15px;padding:5px;font-family:Courier New,monospace}button{cursor:pointer;background-color:silver;border:2px outset #fff;padding:5px 15px;font-weight:700}button:active{border:2px inset #fff}.error-message{color:red;margin-bottom:15px;font-weight:700}