h1 {
    margin-bottom: 5px !important;
}

img {
    max-width: 500px;
    display: block;
    margin-top: 5px;
    margin-bottom: 5px;
    margin-left: auto;
    margin-right: auto;
}

.img-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
    /* Optional: if you want to limit the image's width or make it responsive */
    max-width: 100%;
    height: auto;
}