/* Invert colors of diagrams in dark themes */
html.coal img[src$=".drawio.svg"],
html.navy img[src$=".drawio.svg"],
html.ayu  img[src$=".drawio.svg"] {
    filter: invert(1);
}

/* Center images */
.content img {
    display: block;
    margin: auto;
}

/* The protocol evolution page */
.protocol-evolution td {
    border: 0;
    vertical-align: top;
}