style.css

@import url('https://fonts.googleapis.com/css?family=Roboto+Condensed:300|Roboto+Mono');

html, body {
    font-weight: 300;
}

.source {
    font-size: 60%;
    cursor: pointer;
    color: rgb(50, 115, 220);
}

.selected-element {
    margin: 20px 0;
    font-weight: 300;
}

.selected-element p {
    margin-bottom: 0;
}

.changed-element li {
    list-style: none;
}

li.L0, li.L1, li.L2, li.L3,
li.L5, li.L6, li.L7, li.L8 {
  list-style-type: decimal !important;
}

pre {
    display: none;
}

pre.open {
    display: block;
}

code[class*="language-"], pre[class*="language-"] {
    font-family: 'Roboto Mono', monospace;
}

.token {
    font-family: 'Roboto Mono', monospace;
    font-size: .75rem;
    height: 1rem;
    line-height: 1.5;
}

.tag:not(body) {
    background-color: transparent;
    display: inline-block;
    font-size: .75rem;
    height: 1rem;
    line-height: 1.5;
    padding-left: 0;
    padding-right: 0;
    white-space: nowrap;
}