body {
    font-family:"Noto Sans CJK SC", "Source Han Sans CN";
    position: relative;
}
    p.content{
        text-align:justify
    }
    ul.nav-tabs{
        width: 205px;
        margin-top: 20px;
        border-radius: 4px;
        border: 1px solid #ddd;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.067);
    }
    ul.nav-tabs.affix{
        top: 30px; /* Set the top position of pinned element */
    }
    .popover{
    max-width:30%; /* Max Width of the popover (depending on the container!) */
}