* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
}

#navbar {
    border-right: 1px solid #eee;
    width: 300px;
    position: fixed;
    background-color: #fff;
    height: 100%;
    top: 0;
}

#navbar h1 {
    padding: 20px;
}

#navbar ul {
    list-style-type: none;
}

#navbar ul li a {
    cursor: pointer;
    border-top: 1px solid #eee;
    display: block;
    padding: 18px 20px;
    color: #555;
}

#navbar ul li a:hover {
    background-color: #f4f4f4;
}

#links {
    /* padding: 20px; */
    /* overflow-y: scroll; */
    height: 88%;
    overflow-y: auto;
    overflow-x: hidden;
}

#main-document {
    margin: 1rem 0.6rem;
    position: absolute;
    margin-left: 340px;
    color: #555;
}

.main-section {
    margin-top: 80px;
}

.main-section {
    line-height: 1.6;
}

.main-section ul {
    margin-left: 20px;
}

.main-section ul li {
    margin-bottom: 15px;
}

.topic-header {
    border-bottom: 1px solid #000;
    margin: 20px 0;
    color: #000;
}

/* Global */
a {
    text-decoration: none;
}

p {
    margin-bottom: 15px;
}

code {
    white-space: pre-line;
    background-color: #00294f;
    word-break: normal;
    word-wrap: normal;
    line-height: 2;
    display: block;
    padding: 20px;
    border-radius: 8px;
    color: aqua;
}