body {
    background-color: #131e30 !important;
    color: white;
    margin: 0;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 90%;
    margin: 0 auto;
    text-align: center;
    flex: 1;
}

.banner {
    position: relative;
    text-align: center;
    margin: 1rem auto;
    max-width: 70%;
}

.banner img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    margin-top: 25px;
    margin-bottom: 25px;
}

@media (max-width: 768px) {
    .banner {
        max-width: 100%;
    }
}