body {
    --back:       	#ffffff;
--back-light: 	#090502;
--back-api: 		#eff8ff;
--prime:      	rgb(77, 142, 188);
--second:     	#676778;
--third: #aaaac2;
--flash:      	#40b3ff;
--heading:	var(--second);
--text:      		#444;
--sidebar-text: black;
--border-w:  		.3rem; /* border-width  */
--border-r:  		.3rem; /* border-radius */
--font: sans-serif;
--font-mono: monospace;

}

html {
    margin: 0 auto;
    max-width: 50em;
    background-color: rgb(245,245,243);
}

body { 
    counter-reset: section article;
    background-color: white;
    padding: 0em 3em;
    margin-top: 0;
}

article { margin-bottom: 4rem; }
pre.answer { display: none; }
body > h1 {
    font-weight: normal;
    text-align: center;
    font-size: 2.5rem;
    margin-top: 0;
    padding-top: 0;
}
body > h2::before {
    counter-increment: section;
    content: counter(section) ". ";
}
body > h2 {
    counter-reset: article;
    font-family: verdana;
    font-weight: normal;
    color: var(--prime);
    font-size: 1.4rem;
    border-bottom: solid var(--prime) 1px;
    margin: 3rem 0 1em;
}
article h1 {
    font-weight: bold; 
    font-family: sans-serif;
    font-size: 1rem; 
    color: black;
    text-transform: uppercase; 
}
article h1::before {
    counter-increment: article;
    content: counter(section) "." counter(article) ". ";
}

article h2 {
    margin: 1.6rem 0 .8rem 0;
    font-size: 1rem;
    line-height: 1;
    font-weight: bold;
}

article h3 {
    margin: 1.6rem 0 .8rem 0;
    font-size: 1rem;
    line-height: 1;
    font-weight: bold;
}
article h3 code {
    padding: 0em 0.5em;
}

article h2:first-child {
    margin-top: .4rem;
}

a {
    color: var(--prime);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
a:visited {
    color: rgb(138,77,188);
}

.q::before {
    content: "Q.";
    padding: .2em .3em .2em .2em;
    font-style: italic;
}
.q {
    font-style: italic;
}

ul, ol {
    padding: 0 0 0 2em;
}

li {
    margin-bottom: 0.4em;
}

.para {
    margin-bottom: 1em;
}

.para.test {
    background-color: yellow;
}

.para p, .para ul {
    margin-bottom: 0.5em;
    margin-top: 0.5em;
}
blockquote {
    background-color: var(--sidebar);
    color: var(--sidebar-text);
    padding-left: 1em;
    margin-bottom: 1em;
    border-left: solid var(--third) 1pt;
    font-size: 85%;
}
blockquote code {
    color: var(--sidebar-text);
}

p code {
    color: var(--second);
    white-space: nowrap;
    position: relative;
    top: -0.0em;
}

pre {
    overflow: auto;
    margin: 0.4rem 0 1.2rem;
    padding: 0 0.8rem;
    text-align: left;
    white-space: pre;
    word-spacing: normal;
    word-break: normal;
    word-wrap: normal;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--second);
    tab-size: 2;
    hyphens: none;
}

pre.prompt {
    box-shadow: 1px 1px 4px rgb(30 30 30 / 50%) inset;
    padding: 0.5rem;
}

pre.error {
    color: rgb(144, 0, 0) !important;
    background-color: rgb(248, 234, 233) !important;
}

 code.meta {
    text-transform: uppercase;
    font-style: italic;
    font-size: 90%;
}
code.long {
    white-space: normal;
    word-break: break-word;
}
code code.meta {
    background-color: transparent;
    padding: 0px;
}
.matrix {
    margin: 0 auto;
}
.matrix td {
    padding: 0.1em 0.5em;
}
.matrix td.border {
    padding: 0;
    width: 0.2em;
    border: solid 1pt var(--sidebar-text);
}
.matrix td.border.left {
    border-right-width: 0;
}
.matrix td.border.right {
    border-left-width: 0;
}
table.data {
    border-collapse: collapse;
    border: solid var(--back-light);
    border-width: 0.4pt 0 0.8pt 0;
    margin: 0 auto;
}
table.data thead th {
    border-bottom: solid var(--back-light) 0.4pt;
}
table.data td, table.data th {
    padding: 0.1em 0.3em;
}