h1 {
            color: #333;
            text-align: center;
        }
        #domainForm {
            display: flex;
            margin-bottom: 20px;
        }
        #domainInput {
            flex: 1;
            padding: 10px;
            font-size: 16px;
        }
        button {
            padding: 10px 20px;
            background-color: #333;
            color: #fff;
            border: none;
            cursor: pointer;
        }
        button:hover {
            background-color: #555;
        }
        #result {
            white-space: pre-wrap;
            background-color: #eee;
            padding: 15px;
            border-radius: 5px;
        }