kubernetes-handbook/gitbook/gitbook-plugin-image-captions/image-captions.css

figure {
    margin: 1.5em 0px;
    padding:10px 0;
}

figcaption {
    clear: left;
    margin: 0.75em 0px;
    text-align: center;
    font-style: italic;
    line-height: 1.5em;
}

.left {
    text-align: left;
}

.right {
    text-align: right;
}