code-hl.css

@media print {
body {
    -webkit-print-color-adjust: exact;
    -webkit-filter: opacity(1);
}
}

pre {
    box-shadow: 0px 0px 6px rgba(255,255,255,0.8);
    border-radius: 5px;
}
.remark-code, .hljs {
    border-radius: 5px;
    /* background-color: rgba(0,0,0,0) !important; */
}
code {
    color: #aaa;
    padding-left: 0.3em;
    padding-right: 0.3em;
}

/* 80 characters fun */
/* may not work */
.remark-code {
    line-height: 1.6em;
    font-size: 0.75em;
    word-wrap: break-word;
    /* the following two lines are for Mozilla Firefox */
    white-space: pre-wrap;
    word-break: break-all;
}

/* custom highlighted tokens style */
.remark-code-token-highlighted {
    background: #073642;
    font-weight: bold;
    border-radius: 3px;
    font-style: normal;
    font-weight: bold;
    padding: 0.1em 0.3em;
    border: 1px solid #d33682;
}

/* custom highlighted line style */
.remark-code-line-highlighted {
    background: #073642;
    font-weight: bold;
    border-radius: 3px;
}