body {
    font-size: 17px;
    padding-bottom: 80px;
}
h1 {
    text-align: center;
    font-size: 32px;
    margin: 40px auto;
}
h2 {
    text-align: center;
    font-size: 26px;
    margin: 22px auto;
}
h3 {
    text-align: center;
    font-size: 22px;
    margin: 22px auto;
}
table {
    width: auto !important;
    margin-left: auto !important;
    margin-right: auto !important;
}
div.desc {
    color: #555;
    text-align: center;
    padding: 15px;
    font-size: 16px;
}
p { margin: 0; }
p.text-indent { text-indent: 30px; }
div.text-justify p { text-align: justify; }
div.text-indent p { text-indent: 30px; }
div#toTop {
    position: fixed;
    right: 20px;
    bottom: 80px;
    cursor: pointer;
    font-size: 30px;
    text-align: center;
    width: 60px;
    display: none;
}
div#toBack {
    position: fixed;
    right: 20px;
    bottom: 20px;
    cursor: pointer;
    font-size: 30px;
    text-align: center;
    width: 60px;
    display: none;
}