Document {
    background-color: #ffffff;
    color: #000000;
    font-family: "serif";
    font-size: 16px;
    font-weight: 400;
}

a {
    color: #0000ee;
    text-decoration: underline
}

code {
    font-family: monospace
}

h1 {
    font-size: 2em;
    font-weight: bold
}

h2 {
    font-size: 1.5em;
    font-weight: bold
}

h3 {
    font-size: 1.17em;
    font-weight: bold
}

h4 {
    font-weight: bold
}

h5 {
    font-size: 0.83em;
    font-weight: bold
}

h6 {
    font-size: 0.67em;
    font-weight: bold
}

mark {
    background-color: yellow;
    color: black
}