body {
    padding: 0 15px;
    background-color: #efefef;
}
table {
    margin-top: 15px;
    margin-bottom: 15px;
    width: 100%;
}
table tr th {
    border-bottom: 1px solid;
}
table tr th, table tr td {
    padding: 5px;
    text-align: left !important;
}
table tr td {
    border-bottom: 1px dotted;
}
h1 {
    border-bottom: 1px solid;
    padding-bottom: 10px;
}
h1, h2, h3, h4 {
    margin-top: 10px;
    margin-bottom: 10px;
}
h1 {
    font-size: 40px;
}
h2 {
    font-size: 30px;
}
h3 {
    font-size: 25px;
}
h4 {
    font-size: 20px;
}
a {
    color: #ff591e;
}
a:hover {
    color: #ff591e;
}
a.bookmark {
    margin-right: 10px;
    font-size: 0.75em;
    position: relative;
    top: -2px;
}
#content {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    padding: 10px 40px;
}

#toc-button {
    margin-bottom: 5px;
}

#toc {
    border-top: 1px solid #efefef;
    padding-top: 10px;
    list-style-type: none;
    font-size: 90%;
    padding-bottom: 10px;
    border-bottom: 1px solid #efefef;
    margin-bottom: 10px;
    display: none;
}

#toc li {
    margin-top: 3px;
}

#toc li i {
    padding-right: 5px;
}

#toc li.for-h2 {
    margin-left: 5px;
}
#toc li.for-h3 {
    margin-left: 25px;
}
#toc li.for-h4 {
    margin-left: 45px;
}
#toc li.for-h5 {
    margin-left: 65px;
}
#toc li.for-h6 {
    margin-left: 85px;
}

#back-top-button {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 15px;
    border: none;
    outline: none;
    background-color: #ff591e;
    color: white;
    cursor: pointer;
    width: 35px;
    height: 35px;
    text-align: center;
    padding: 5px;
    border-radius: 4px;
}

#myBtn:hover {
    background-color: #555;
}