.md-code-block > pre.pleasanter-diagram-source {
    display: none !important;
}
.pleasanter-diagram-output {
    max-width: 100%;
    overflow-x: auto;
    padding: 0.75em;
    background: #fff;
    color: #222;
}
.pleasanter-diagram-output > svg,
.pleasanter-diagram-output > img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}