* {       
    box-sizing: border-box;
}

html, body {
    padding:0; 
    margin: 0;
    height: 100%;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    letter-spacing: 0px;
    color: rgba(26,26,26,.7);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body{
    display: flex;
    flex-direction: column;
}

a {
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
    color: #f57f20;
    text-decoration:none;
}
        
#header {
    flex: 0;
    display: flex;
    padding: 10px 30px;
    background-color: #212121;
    vertical-align: middle;
}

#logo {
    flex:0;
    font-size: 0;
}

#logo img {
    width: 180px;
    vertical-align: middle;
}

#nav {
    flex:1;
    display: flex;
    justify-content: flex-end;
    align-items:center;
}

#nav div {        
    flex:0;
    margin: 0 0 0 25px;
}

#nav div a {
    font-family: "proxima-nova";
    font-size: 13px;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 2px;
    font-weight: 600;
    font-style: normal;
    line-height: 1em;
    color: #fff;
}

#content {
    flex: 1 0 auto;
    padding: 10px 10px;
}

div.section {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 10px;
    margin: 10px 0;
}

div.section div.item {
    width:400px;
    border: 1px solid #ccc;
    border-radius:5px;
}
div.section div.item:hover {
    border: 1px solid #000;
}

#footer {
    flex: 0;
    background-color: #212121;
    width: 100%;
    padding: 10px 30px;
}

#footer a, #footer p {
    text-align:center;
    color: #888;
}

img {
    max-width:960px;
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: 0;
}

h1, h2 {
    margin-bottom: 16px;
    padding-bottom: .3em;    
}

h1 {
    color: #f57f20;
    font-size: 1.5em;
    margin-bottom: 0px;
    text-transform:uppercase;
}

h2 {
    font-size: 1.25em;
    margin-top: 24px;
    color:#222;
    border-bottom: 2px solid #eaecef;
}

h3 {
    font-size: 1.0em;
    margin-top: 0;
    margin-bottom: 3px;
}

p {
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}

div.tutorial {
    padding: 5px;
    color: rgba(26,26,26,.7);
}

div.tutorial h3 {
    color:#222;
}

blockquote {
    padding: 0 1em;
    color: #6a737d;
    border-left: .25em solid #dfe2e5;
}

code, pre, tt { 
    font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
}

code {
    padding: .2em .4em;
    margin: 0;
    font-size: 85%;
    background-color: #f6f8fa;
    border-radius: 3px;
}

pre { 
    display: block;
    overflow: auto;
    line-height: 1.45;
    color: #eeee99;
    margin-top: 0;
    margin-bottom: 10px;
    word-break: normal;
    word-wrap: normal;
}        

pre code {
    display: block;
    padding: .2em .4em;
    margin: 0;
    background-color: inherit;
    border: 1px solid #ccc;
    border-radius: 5px;
}

span.pl-k { 
    color: #d73a49;
}

span.pl-e, span.pl-en { 
    color: #6f42c1;
}

span.pl-s span.pl-s1, span.pl-smi {
    color: #24292e;
}

span.pl-c1, span.pl-s span.pl-v {
    color: #005cc5;
}

div.md {
    border-radius: 3px;
    padding: 10px; border: 1px solid #ddd; background: #fff;
    margin: auto;
    max-width: 980px;
}

.hljs
{display:block;overflow-x:auto;padding:.5em;background:#f0f0f0}
.hljs,.hljs-subst
{color:#444}
.hljs-comment
{color:#888}
.hljs-attribute,.hljs-doctag,.hljs-keyword,.hljs-meta-keyword,.hljs-name,.hljs-selector-tag
{color: #d73a49;}
.hljs-deletion,.hljs-number,.hljs-quote,.hljs-selector-class,.hljs-selector-id,.hljs-string,.hljs-template-tag,.hljs-type
{color:#800}
.hljs-section,.hljs-title
{color: #6f42c1;}
.hljs-link,.hljs-regexp,.hljs-selector-attr,.hljs-selector-pseudo,.hljs-symbol,.hljs-template-variable,.hljs-variable
{color:#bc6060}
.hljs-literal
{color:#78a960}
.hljs-addition,.hljs-built_in,.hljs-bullet,.hljs-code
{color:#397300}
.hljs-meta
{color:#1f7199}
.hljs-meta-string
{color:#4d99bf}
.hljs-emphasis
{font-style:italic}
.hljs-strong
{font-weight:700}