.app-button {
    background: #4CAF50;
    border: none;
    padding: 0.8rem 2rem;
    color: white;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-button:hover {
    background: #45a049;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}