:root {
    font-size: 90%;
    --fg: #555;
    --h: #444;
    --bg: #fefefe;
    --b: #ccc;
    --p: #000;
    --def: #eee;
    font-family: sans-serif;
    width: 85%;
    align-items: center;
    justify-content: center;
    border: 2px solid;
    padding: 20px;
    display: flex;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
}      
blockquote {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    padding: 0.5em 10px;
    margin: 1.5em 10px;
    font-size: medium;
}      
h1,h2 {
    background: #e5efb4;
    border-left: 5px solid #6b8009;
    padding: 0.5em 10px;
    margin: 1.5em 10px;
    font-size: large;
}      
h3 {
    background: #d1ebc4;
    border-left: 5px solid #353f09;
    padding: 0.5em 10px;
    margin: 1.5em 10px;
    font-size: medium;
    margin-left: 10px;
}      
thead {
    background: #aaa;
}      
th {
    font-size: medium;
    color: #353f09; 
}
dt {
    font-weight: bolder; 
    display: list-item;
}
#text-table-of-contents {
    background: #f9f9f9;
    border-left: 10px solid #ccc;
    padding: 0.5em 10px;
    margin: 1.5em 10px;
    font-size: medium;
}