body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            text-align: center;
            padding: 0px;
        }
        .container {
            background: white;
            width: 90%;
            margin: 30px auto;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
        }
        input, textarea {
            width: 100%;
            padding: 15px;
            font-size: 18px;
            margin:20px 0px;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        .btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 10px 15px;
            font-size: 17px;
            border-radius: 5px;
            cursor: pointer;
        }
        .btn:hover {
            background: #218838;
        }