pre {
height: 100%;
width: 100%;
margin: 0;
overflow: auto;
counter-reset: line;
&.h2-first-line {
&::first-line {
font-family: sans-serif;
font-size: 1.5em;
font-weight: bold;
}
}
code {
counter-increment: line;
&::before {
content: counter(line);
display: inline-block;
width: 2em;
padding: 0 1em 0.3em 0;
margin-right: .5em;
color: #888;
-webkit-user-select: none;
}
}
}