a.md-source-file {
    /* This fixes .md-content-inner last-child no bottom margin */
    margin-bottom: 1em !important;
}

/* 48px logo instead of 24 px */
a.md-logo.md-header-nav__button {
    margin: 0 !important;
    padding: 0 !important;
}

a.md-logo.md-header-nav__button > img {
    width: 48px;
    height: 48px;
}

/* for image captions */
span.image-caption {
    text-align: center;
    font-size: 0.8em;
    width: 100%;
    display: block;
}

.md-main img {
    margin-left: auto;
    margin-right: auto;
    display: block;
}