html {
    font-size: 85%;
}

html,
body,
button,
input,
select,
textarea,
h1,
h2,
h3,
h4,
h5,
h6,
a,
span,
p {
    font-family: Microsoft YaHei, '瀹嬩綋', Tahoma, Helvetica, Arial, "\5b8b\4f53", sans-serif;
}

.list-group {
    width: 230px !important;
}

.nav-tree {
    position:relative;
}