body {
            font-family: Arial, sans-serif;
            background-color: #f2f2f2;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }

        .container {
            background-color: #fff;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            padding: 20px;
            width: 300px;
        }

        h1 {
            text-align: center;
            color: #3498db;
            margin-bottom: 20px;
        }

        form {
            display: flex;
            flex-direction: column;
        }

        input[type="email"] {
            padding: 10px;
            margin-bottom: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 16px;
            transition: border-color 0.3s ease;
        }

        input[type="email"]:focus {
            border-color: #3498db;
            outline: none;
        }

        button[type="submit"] {
            background-color: #3498db;
            color: #fff;
            border: none;
            border-radius: 5px;
            padding: 10px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        button[type="submit"]:hover {
            background-color: #2980b9;
        }

        #message {
            margin-top: 10px;
            text-align: center;
            color: #555;
        }

        img {
            width: 150px;
        }

        .hhh {
            text-align: center;
        }

        @media screen and (max-width: 400px) {
            body {
                height: 80vh;
            }
        }

        #spinner {
            border: 4px solid rgba(0, 0, 0, 0.1);
            border-left-color: #3498db;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            animation: spin 1s linear infinite;
            margin: 0 auto;
            display: none;
            /* Initially hidden */
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }


        /* custom menu   */

        #customContextMenu {
            position: absolute;
            background-color: #fff;
            border: 1px solid #ccc;
            padding: 5px 0;
            z-index: 9999;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        #customContextMenu ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
        }
        
        #customContextMenu ul li {
            padding: 8px 15px;
            cursor: pointer;
            font-size: 16px;
            color: #333;
            transition: background-color 0.3s ease;
        }
        
        #customContextMenu ul li:hover {
            background-color: #f0f0f0;
        }
        
        #customContextMenu ul li a {
            color: inherit;
            text-decoration: none;
        }
        
        #customContextMenu ul li a:hover {
            text-decoration: underline;
        }