body, html {
            height: 80%;
            margin: 0;
            font-family: Arial, Helvetica, sans-serif;
        }

        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100%;
        }

        .api-key-form {
            background-color: #2C2F33;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 500px;
            text-align: center;
        }

        .form-control {
            background-color: #23272A;
            color: #FFF;
            border: 2px solid #00aa25;
            max-width: 400px;
            margin-bottom: 20px;
        }

        .form-control:focus {
            color: #FFF;
            background-color: #23272A;
            border-color: #007619;
        }

        .btn-primary {
            background-color: #00aa25;
            border: none;
            width: 50%;  /* Adjust width as needed */
        }

        .btn-primary:hover {
            background-color: #007619;
        }