body, html {
    height: 100%;
    margin: 0;
    background-image: url('bg.jpg');
    background-size: cover;
    background-position: center;
}

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

.logo-container img {
    width: 20%;
    height: auto;
    border-radius: 50%;
}

/* Media query for mobile devices */
@media (max-width: 768px) {
    .logo-container img {
        width: 50%;
    }
}