@keyframes waveEffect {
    0% { transform: translateY(0px) scaleX(1); }
    50% { transform: translateY(-8px) scaleX(1.02); }
    100% { transform: translateY(0px) scaleX(1); }
}

.banner {
    width: 100%;
    padding: 20px;
    text-align: center;
    font-size: 30px;
    font-weight: bold;
    color: white;
    background: linear-gradient(90deg, #d32f2f, #b71c1c);
    animation: waveEffect 3s infinite ease-in-out;
    font-family: "Arial", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 8px;
}