#toc {
    font-size: 20px;
    padding-bottom: 20px;
}

#toc a {
    color: black;
}

#toc a:visited {
    color: black;
}

#toc a:hover {
    opacity: 0.7;
}

body {
    margin-left: 1em;
    color: black;
}

h2, h3, h4 {
    margin-left: 2em;
}

p {
    margin-left: 3em;
    color: black;
}

img {
    margin-left: 15%;
    border: 2px;
    border-style: solid;
    border-color: #999;
}