:root {
    --zenburn-fg-plus-2: #FFFFEF;
    --zenburn-fg-plus-1: #F5F5D6;
    --zenburn-fg: #DCDCCC;
    --zenburn-fg-1: #A6A689;
    --zenburn-fg-2: #656555;
    --zenburn-black: #000000;
    --zenburn-bg-2: #000000;
    --zenburn-bg-1: #111112;
    --zenburn-bg-05: #383838;
    --zenburn-bg: #2A2B2E;
    --zenburn-bg-plus-05: #494949;
    --zenburn-bg-plus-1: #4F4F4F;
    --zenburn-bg-plus-2: #5F5F5F;
    --zenburn-bg-plus-3: #6F6F6F;
    --zenburn-red-plus-2: #ECB3B3;
    --zenburn-red-plus-1: #DCA3A3;
    --zenburn-red: #CC9393;
    --zenburn-red-1: #BC8383;
    --zenburn-red-2: #AC7373;
    --zenburn-red-3: #9C6363;
    --zenburn-red-4: #8C5353;
    --zenburn-red-5: #7C4343;
    --zenburn-red-6: #6C3333;
    --zenburn-orange: #DFAF8F;
    --zenburn-yellow: #F0DFAF;
    --zenburn-yellow-1: #E0CF9F;
    --zenburn-yellow-2: #D0BF8F;
    --zenburn-green-5: #2F4F2F;
    --zenburn-green-4: #3F5F3F;
    --zenburn-green-3: #4F6F4F;
    --zenburn-green-2: #5F7F5F;
    --zenburn-green-1: #6F8F6F;
    --zenburn-green: #7F9F7F;
    --zenburn-green-plus-1: #8FB28F;
    --zenburn-green-plus-2: #9FC59F;
    --zenburn-green-plus-3: #AFD8AF;
    --zenburn-green-plus-4: #BFEBBF;
    --zenburn-cyan: #93E0E3;
    --zenburn-blue-plus-3: #BDE0F3;
    --zenburn-blue-plus-2: #ACE0E3;
    --zenburn-blue-plus-1: #94BFF3;
    --zenburn-blue: #8CD0D3;
    --zenburn-blue-1: #7CB8BB;
    --zenburn-blue-2: #6CA0A3;
    --zenburn-blue-3: #5C888B;
    --zenburn-blue-4: #4C7073;
    --zenburn-blue-5: #366060;
    --zenburn-magenta: #DC8CC3;
}

* {
    box-sizing: border-box;
}
body, html {
    margin: 0;
    padding: 0;
}

body {
    --background: var(--zenburn-bg);
    --heading-background: var(--zenburn-bg-1);
    --foreground: var(--zenburn-fg);
    --accent: var(--zenburn-green);
    --accent-1: var(--zenburn-green-1);
    --accent-2: var(--zenburn-green-2);
    --accent-3: var(--zenburn-green-3);
    --accent-4: var(--zenburn-green-4);
    --accent-5: var(--zenburn-green-5);
    --link: var(--zenburn-blue);
    --visited: var(--zenburn-blue-3);
}

body {
    background: var(--background);
    color: var(--foreground);
}
h1,h2,h3,h4,h5,h6 {
    background: var(--heading-background);
    border-bottom: currentcolor;
}
h1 {color: var(--accent);}
h2 {color: var(--accent-1);}
h3 {color: var(--accent-2);}
h4 {color: var(--accent-3);}
h5 {color: var(--accent-4);}
h6 {color: var(--accent-5);}
a {color: var(--link);}
a:visited {color: var(--visited);}

h1,h2,h3,h4,h5,h6 {
    padding: 0.5rem 1rem;
    font-family: sans-serif;
    font-size: 16px;
    margin: 0;
    margin-bottom: 0.5em;
    border: 0.1em;
    border-bottom: solid;
}

body {
    display: grid;
    grid-template-areas: 'header header header header header'
                         'header header header header header'
                         'toc    main   main   main   main  '
                         'toc    main   main   main   main  '
                         'toc    main   main   main   main  '
                         'footer footer footer footer footer';
    grid-gap: 0.1rem;
    min-height: 100vh;
    width: 100vw;
}

body > #content {
    display: contents;
}
#content > .title {
    grid-area: header;
    border: none;
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    padding: 0;
}
#content > #table-of-contents {
    grid-area: toc;
}
#content > .outline-2 {
    grid-area:  span 4;
}
body > #postamble {
    grid-area: footer;
    display: flex;
    justify-content: space-between;
    padding: 0.25em 0.5em;
}