html {
	font-family: Roboto;
	font-size: 17px;
	line-height: 1.68;
	background-color: #fff;
	color: #1a1a1a;
	min-width: 1104px;
}

body {
	margin: 0;
}

header,
main,
footer,
.left-right.code {
	display: grid;
	grid-template-columns:
		[screen-start] 1fr
		[page-start kicker-start left-start] 60px [middle-start] 60px
		[text-start kicker-end] 60px 60px 60px 60px
		[left-end right-start] 60px 60px 60px 60px
		[text-end gutter-start] 60px [middle-end] 60px
		[page-end gutter-end right-end] 1fr [screen-end];
	grid-column-gap: 32px;
}

.request-response,
.toc {
	display: grid;
	grid-template-columns:
		[page-start request-start response-gutter-start] 60px
		[response-gutter-end response-start] 60px 60px 60px 60px 60px 60px
		[request-end request-gutter-start] 60px [page-end request-gutter-end response-end];
	grid-column-gap: 32px;
}

main {
	align-items: first baseline;
	margin-bottom: 64px;
}

header,
footer {
	color: rgba(255, 255, 255, 0.8);
	font-weight: 300;
}

header {
	background-color: #0f103d;
	height: 70px;
	font-size: 12px;
	align-items: stretch;
}

footer {
	background-color: #242828;
	padding: 48px 0;
}

.title {
	font-size: 17px;
	grid-column: left;
	display: grid;
	grid-auto-flow: column;
	align-items: stretch;
	justify-self: start;
}

nav {
	grid-column: right;
	display: grid;
	grid-auto-flow: column;
	align-items: stretch;
	justify-self: end;
	grid-gap: 24px;
	text-transform: uppercase;
}

header a {
	display: flex;
	align-items: center;
}

header a:hover {
	color: #fff;
}

.title img {
	width: 24px;
	height: 24px;
	margin: -4px 10px -2px 0;
}

main > *,
footer > * {
	grid-column: text;
}

footer > *:last-child {
	margin-bottom: 0;
}

.pagewidth {
	grid-column: page;
}

h1 {
	font-size: 50px;
	margin: 60px 0 8px;
	color: #000;
	line-height: 1.1;
}

h2 {
	font-size: 36px;
	margin: 64px 0 24px;
	padding-bottom: 16px;
	border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

h3 {
	font-size: 26px;
	margin: 40px 0 20px;
}

h4 {
	font-size: 17px;
	margin: 40px 0 20px;
}

h5 {
	font-size: 13px;
	margin: 17px 0 4px;
}

.first {
	margin-top: 60px;
}

pre,
code,
.binary span {
	font-family: 'DejaVu Sans Mono';
}

pre {
	font-size: 12px;
	line-height: 1.3;
	background-color: #f4f4f4;
	padding: 10px;
}

pre.center {
	text-align: center;
	font-size: 15px;
}

p code,
ul code,
ol code,
table code {
	font-size: 15px;
	background-color: #f4f4f4;
	padding: 1px 2px;
	border-radius: 3px;
}

pre code {
	background: none;
	padding: 0;
}

.subtitle {
	font-size: 19px;
	font-weight: 300;
	color: #000;
	margin: 0 0 60px;
}

.section-kicker h2 {
	font-size: 15px;
	font-weight: 500;
	margin: 0;
	padding: 0;
	border-bottom: none;
	color: rgba(0, 0, 0, 0.65);
}

.toc {
	margin: 24px 0 16px;
	font-size: 13px;
}

.toc .col {
	grid-column: span 2;
}

.toc .section,
.toc .col > .s1 {
	margin-bottom: 10px;
}

.toc .s1 {
	font-weight: 500;
	color: rgba(0, 0, 0, 0.8);
}

.toc .s2 {
	color: rgba(0, 0, 0, 0.6);
	margin-left: 16px;
}

.toc a {
	border-bottom: none;
}

main figure,
main > img {
	margin: 1rem 0 2rem 0;
}

aside {
	grid-column: gutter;
}

aside.kicker {
	grid-column: kicker;
}

figcaption,
aside {
	font-size: 13px;
	line-height: 1.5;
	color: rgba(0, 0, 0, 0.6);
}

figcaption code,
aside code {
	font-size: 12px;
}

a {
	color: unset;
	text-decoration: unset;
	border-bottom: 1px solid rgba(0, 0, 0, 0.4);
}

a:hover {
	border-bottom-color: rgba(0, 0, 0, 0.8);
}

footer a {
	border-color: rgba(255, 255, 255, 0.4);
}

footer a:hover {
	border-color: rgba(255, 255, 255, 0.8);
}

p,
ol,
ul,
pre,
table,
.fixed-key {
	margin: 0 0 1rem;
}

ol,
ul {
	padding-left: 2.5rem;
}

li {
	padding-left: 0.6rem;
}

hr {
	grid-column: screen;
	width: 100%;
	border: none;
	border-top: 1px solid rgba(0, 0, 0, 0.1);
	margin: 0;
}

img.inline-key {
	width: 57px;
	height: 34px;
	margin: -5px 0 -5px 0;
	vertical-align: middle;
}

.key-formula {
	display: inline-block;
}

table {
	border-collapse: collapse;
}

tr {
	vertical-align: top;
}

table.defs {
	margin: 1rem 0 2rem;
	background-color: #f4f4f4;
}

table.defs tr {
	border-top: 1px solid #fff;
}

table.defs td {
	padding: 0.4rem 0.7rem;
}

table.defs td:first-child {
	font-weight: 500;
	padding-right: 1rem;
}

table.clock-values {
	font-size: 13px;
	margin: 1rem 0 2rem;
	background-color: #f9d2e9;
}

table.clock-values td,
th {
	text-align: center;
	vertical-align: middle;
	border-right: solid thin #fff;
}

table.clock-values thead {
	color: #fff;
}

table.clock-values tr {
	border-bottom: solid thin #fff;
}

table.clock-values thead tr:nth-child(1) {
	background-color: #ca82c9;
}

table.clock-values thead tr:nth-child(2) {
	background-color: #f29bce;
}

table.clock-values tbody td:first-child {
	font-weight: bold;
}

.small {
	font-size: 13px;
}

.impl {
	display: grid;
	grid-template-columns: 30px 1fr;
	grid-column-gap: 4px;
	align-items: first baseline;
}

.impl .icon {
	grid-column: 1;
	width: 16px;
	height: 16px;
	position: relative;
	top: 2px;
}

.impl h5 {
	grid-column: 2;
	color: #0773b3;
	margin: 0;
}

.impl .lang {
	grid-column: 1;
	font-weight: bold;
	margin-top: 10px;
}

.impl .vs {
	grid-column: 2;
}

.code {
	margin: 1rem 0 4rem;
}

.left-right.code {
	grid-column: screen;
}

.left-right.code pre,
.request-response pre,
.packet pre {
	font-size: 12px;
}

.left {
	grid-column: left;
}

.right {
	grid-column: right;
}

.request,
.response,
.request-arrow,
.response-arrow,
.clock-table {
	margin: 12px 0;
}

.request-response .header,
.packet .header {
	color: #fff;
	font-size: 13px;
	padding: 0 6px;
}

.request-response .key,
.packet .key {
	margin-right: 5px;
}

.request-response .key::after,
.packet .key::after {
	content: ':';
}

.request-response .value,
.packet .value {
	font-weight: 700;
	margin-right: 25px;
}

.request-response hr.mini {
	grid-column: page;
	justify-self: center;
	border-color: #cccccc;
	width: 100px;
	margin: 20px 0;
}

.request {
	grid-column: request;
	background-color: #d2e9f8;
}

.response {
	grid-column: response;
	background-color: #fcf3e4;
}

.packet {
	background-color: #f4f4f4;
}

.request .header {
	background-color: #5fb2e6;
}

.response .header {
	background-color: #e79f27;
}

.packet .header {
	background-color: #808080;
}

.request-response pre,
.packet pre,
.packet img {
	background: none;
	font-family: 'DejaVu Sans Mono';
	margin: 0;
	padding: 10px;
}

.fixed-key.binary {
	display: grid;
	grid-template-columns: repeat(16, 1fr);
	grid-row-gap: 4px;
	row-gap: 4px;
}

.fixed-key.binary span {
	font-size: 15px;
	padding: 9px;
	background-color: #f4f4f4;
	border-left: 1px solid #ccc;
	justify-self: stretch;
	text-align: center;
}

.fixed-key.binary span:nth-child(16n),
.fixed-key.binary span:last-child {
	border-right: 1px solid #ccc;
}

.request-response .binary {
	display: grid;
	grid-template-columns: repeat(24, 1fr);
	position: relative;
}

.request-response .binary span {
	border-radius: 0;
	font-size: 12px;
	padding: 4px;
	justify-self: stretch;
	text-align: center;
}

.binary .d0 {
	background-color: #fcf3e4;
}
.binary .d1 {
	background-color: #fcecd2;
}
.binary .d2 {
	background-color: #fbe6c3;
}
.binary .d3 {
	background-color: #f9dfb3;
}

.request-arrow,
.response-arrow {
	align-self: center;
	user-select: none;
	-webkit-user-select: none;
	-moz-user-select: none;
	user-drag: none;
	-webkit-user-drag: none;
	width: 60px;
}

.request-arrow {
	grid-column: request-gutter;
}

.response-arrow {
	grid-column: response-gutter;
	transform: scaleX(-1);
}

.fadeout {
	background: linear-gradient(to bottom, #ffffff00, #ffffffff 90%);
	height: 40px;
	width: 100%;
	box-sizing: border-box;
	position: absolute;
	bottom: 0;
	font-size: 12px;
	font-style: italic;
	padding: 16px 10px 0;
	text-align: right;
}

.code h5 {
	color: rgba(0, 0, 0, 0.6);
	align-self: end;
	margin: 0.5rem 0 0.2rem;
}

.code pre {
	margin: 0;
}

.msgsize {
	font-weight: normal;
	font-style: italic;
}
