body, html {
    margin:0;
    padding:0;
    width:100%;
}

body {
    display:grid;
    grid-template-columns: 1fr 3fr 1fr ;
    grid-template-rows: 140px auto 400px;

    color: rgb(50, 50, 50);
    font-family: Spartan, Arial, sans-serif;
    line-height: 1.2em;
}

#header {
    overflow: hidden;
}

.header {
    background-color: rgb(35, 31, 32);
    border-bottom: solid 10px rgb(154, 74, 255);
}

#slogan {
    font-size: 18px;
    font-weight: 400;
    color: #2f2f2f;

    overflow: hidden;
}

#nav a {
    color: #333;
    text-decoration: none;
    font-family: sans-serif;
    margin: 0 10px 0 10px;
}


#content {
    margin-top: 30px;
}

h1 {
    font-family: 'Bebas Neue', Arial, sans-serif;
    padding: 0;
    margin: 0 0 0.2em 0;
    color: #2f2f2f;
    font-size: 3em;
    font-weight: normal;
    line-height: 1.1;
}

h2 {
    font-family: 'Bebas Neue', Arial, sans-serif;
    font-size: 2em;
}

h3 {
    font-family: 'Bebas Neue', Arial, sans-serif;
    font-size: 1.75em;
}    

h4 {
    font-family: 'Bebas Neue', Arial, sans-serif;
    font-size: 1.3em;
}

.footer {
    background-color: rgb(223, 227, 229);
    padding-top:30px;
}

a {
    color: rgb(154, 74, 255);
    text-decoration: none;
}

section {
    margin-top: 2em;
}
dt {
    font-weight: bold;
    margin-bottom: 5px;
}

dd {
    margin-bottom: 1em;
}

p.quote {
    margin: 20px;
    font-style: italic;
    width: 50%;
}

p.req {
    color: red;
}

code {
    font-size: 1.2em;
}

#toc {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 2;
    height: 100%;
    overflow-y: auto;
    padding: 10px;
    border: solid 1px navy;
    font-size: small;
    width: 180px;
    background-color: white;
}
#toc h3 {
    margin-top: 5px;
}

#toc ul {
    list-style: none;
    padding-left: 0;
}

#toc .first > li {
    margin-top: 5px;
}

#toc .second,
#toc .third {
    padding-left: 10px;
}