---
title: Hackfoldr Theme for HackMD Book mode
author: Yukai Huang
description: use `{%hackmd @yukai/hackfoldr-book-mode-theme %}` to include this theme
image: https://i.imgur.com/VqTF1wq.png
tags: theme
---

<style>
@media (min-width: 759px) {
.summary .toolbar {
padding-top: 6px;
top: 0px;
height: 51px;
}

.summary #summary {
padding-top: 0;
}
}

#summary ul li a {
border-bottom: solid 1px #dcdcdc;
margin-top: -2px;
border-radius: 0;
}

#summary ul li.active a, #summary ul li a:hover, #summary ul li a:active {
color: #555;
text-decoration: none;
background-color: #eeeeee;
}

#summary ul li a .label {
position: absolute;
right: 1em;
padding: 5px 8px;
}

#summary h1 {
border-bottom: none;
}

#summary h2 {
-webkit-box-shadow: 0.2em 0 0 inset;
box-shadow: 0.2em 0 0 inset;
background-color: rgba(0,0,0,.1);
color: rgba(0,0,0,.8);
margin: 0;
padding: 10px 15px;
cursor: pointer;
font-size: 16px;
}

</style>