/* Layout styles */
.wallpaper {
    position: relative;
    text-align: center;
    margin: 20px 0;
}

.wallpaper img {
    width: 100%;
    height: auto;
}

.wallpaper .centered-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
}

main {
    padding: 20px;
    text-align: center;
}