html, body {
    color: #000;
    font-family: 'Times New Roman', Times, serif;
    font-size: 12pt;
    margin: 0;
    padding: 0;
}

h1,h2,h3 {
    font-weight: normal;
}

ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

a:hover {
    color: yellow;
}
header {
    background-color: yellow;
    width: 100%;
    position: fixed;
    top: 0;
}

header p {
    font-size: 2rem;
    margin: 0;
}

header a:hover {
    color: #a9a9a9;
}

.mainnav {
    margin-left: 10vw;
    position: fixed;
}

.mainnav ol {
    margin: 0;
    padding: 0;
}

.mainnav li a {
    background-color: #a9a9a9;
}

li.subnav {
    margin-left: 2rem;
}

.main {
    background-color: aquamarine;
    width: 50vw;
    margin: auto;
    margin-top: 3rem;
}

.main img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 70%;
}

.main h2, p {
    margin-left: 2rem;
}

.main p.notes {
    font-style: italic;
    text-align: center;
    width: 80%;
}