body {
            margin: 0;
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f4f4f4;
        }
        .unsubscribe-container {
            background: #fff;
            padding: 20px 30px;
            border-radius: 10px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            text-align: center;
            width: 100%;
            max-width: 400px;
        }
        .unsubscribe-container h2 {
            color: #333;
            margin-bottom: 20px;
        }
        .unsubscribe-container input[type="email"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 16px;
        }
        .unsubscribe-container button {
            background-color: #EB2764;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
        }
        .unsubscribe-container button:hover {
            background-color: #d11f59;
        }