/* ### Reset ### */

html, body, div, span, object,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}

ins {
  text-decoration: none;
}
del {
  text-decoration: line-through;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

ol li {
  list-style-type: decimal;
}

/* ### Common ### */

body {
  box-sizing: border-box;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: #333;
  line-height: 1.4;
  font-size: 14px;
}

/*

.octicon is optimized for 16px.
.mega-octicon is optimized for 32px but can be used larger.

*/
.octicon {
  font: normal normal 16px octicons;
  line-height: 1;
  display: inline-block;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
}

.mega-octicon {
  font: normal normal 48px octicons;
  display: inline-block;
  text-decoration: none;
  -webkit-font-smoothing: antialiased;
  color: #4183c4;
  line-height: 100px;
}

.wrapper {
  position:relative;
  width: 980px;
  margin: 0 auto;
}

strong {
  font-weight: bold;
}

a {
  color: #4183C4;
  text-decoration: none;
}

a:hover {
  color: #156cc2;
}

p code {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 2px 5px;
  font-family: Consolas, "Liberation Mono", Courier, monospace;
}

h2 {
  text-align: center;
  font-weight: 200;
  line-height: 38px;
  margin: 40px auto 0;
  font-size: 21px;
  max-width: 740px;
}

.page h1.title { margin-top: 25px; }

h4 {
  font-size: 30px;
  font-weight: 300;
  line-height: 1em;
  -webkit-backface-visibility: hidden;
}

p {
  margin: 15px 0 30px;
  font-weight: 300;
  line-height: 1.7em;
}

em {
  font-style: italic;
}

textarea {
  border: none;
  background-color: transparent;
  width: 400px;
  outline: none;
}

.logo {
  display: block;
  width: 169px;
  margin: 0 auto;
}

#hero-spot {
  padding: 40px 0 0;
  position: relative;
  overflow: hidden;
  background: #222;
}

.help-link {
  position: absolute;
  top: 20px;
  right: 20px;
  background-color: #333;
  color: #bbb;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: bold;
  -webkit-backface-visibility: hidden;
  -webkit-transition: color 0.2s ease-in-out 0s;
  -moz-transition: color 0.2s ease-in-out 0s;
  -o-transition: color 0.2s ease-in-out 0s;
  transition: color 0.2s ease-in-out 0s;
}

.help-link:hover {
  color: #fff;
}

h1 {
  margin: 90px auto 0 auto;
  font-size: 48px;
  font-weight: 200;
  line-height: 60px;
  text-align: center;
  max-width: 910px;
  color: #333;
}

#hero-spot h1 {
  color: #fff;
  -webkit-backface-visibility: hidden;
  max-width: 830px;
  margin-top: 50px;
}

.page #hero-spot img { margin-bottom: 25px; }

#hero-spot h2 {
  color: #a7a7a7;
  -webkit-backface-visibility: hidden;
  line-height: 1.5em;
  max-width: none;
  margin: 10px auto 60px;
  font-size: 18px;
}

.hero-spot h2 > a {
  color: #dcdcdc;
  text-decoration: underline;
}
.hero-spot h2 > a:hover {
  text-decoration: none;
}

#slideshow {
  margin: 30px auto 0;
  position: relative;
}

.slide {
  margin: 0 auto;
  max-width: 100%;
  position: absolute;
  left: 0; right: 0; bottom: 0;
  opacity: 0;
  z-index: 100;
  -webkit-transition: opacity 0.6s ease-in-out 0s;
  -moz-transition: opacity 0.6s ease-in-out 0s;
  -o-transition: opacity 0.6s ease-in-out 0s;
  transition: opacity 0.6s ease-in-out 0s;
}

.slide:first-child {
  position: relative;
  display: block;
}

.slide.active {
  opacity: 1;
  z-index: 90;
}

.shadow-overlay {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 9px;
  background: url(/National_Library/20160330061658oe_/http://pages.github.com/images/section-shadow.png) repeat-x;
}

#tutorial {
  text-align: center;
  background-color: #f5f5f5;
  padding-bottom: 20px;
  overflow: hidden;
}

.tabs {
  display: inline-block;
  margin: 45px auto 0;
  font-size: 0;
}

.question .tabs {
  margin: 30px auto 0;
}

.tabs li {
  display: inline-block;
  margin: 0;
  font-size: 15px;
}

.tabs li:first-child a {
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}

.tabs li:last-child a {
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
}

.tabs li:nth-child(even) a {
  margin: 0 -1px;
}

.tabs a {
  color: #323232;
  background-color: #fff;
  padding: 10px 20px;
  display: inline-block;
  border: 1px solid #dddddd;
  position: relative;
  line-height: 1em;
  -webkit-transition: all 0.2s ease-in-out 0s;
  -moz-transition: all 0.2s ease-in-out 0s;
  -o-transition: all 0.2s ease-in-out 0s;
  transition: all 0.2s ease-in-out 0s;
}

.question .tabs a {
  background-color: #fcfcfc;
}

.tabs a:hover {
  color: #327fc7;
  border-color: #327fc7;
  z-index: 10;
}

.tabs a.selected {
  z-index: 20;
  color: #fff;
  background-color: #327fc7;
  border-color: #327fc7;
  outline: none;
}

/* Tutorials */

.tutorial-list {
  margin-top: 90px;
  counter-reset: tutorialstep;
  display: none;
}

.tutorial-list.active {
  display: block;
}

.tutorial-list > li {
  position: relative;
  background-color: #fff;
  margin: 0 0 70px 0px;
  padding: 40px 0 60px;
  font-size: 18px;
  border: 1px solid #ddd;
  border-radius: 5px;
  text-align: center;
  z-index: 1;

  -webkit-transition: all 0.6s ease-in-out 0s;
  -moz-transition: all 0.6s ease-in-out 0s;
  -o-transition: all 0.6s ease-in-out 0s;
  transition: all 0.6s ease-in-out 0s;
}

.tutorial-list .image-right {
  padding-right: 440px;
}

.tutorial-list .image-right p {
  margin-left: 30px;
  margin-right: 30px;
}

#create-repo-step {
  background: #fff url(/National_Library/20160330061658oe_/http://pages.github.com/images/user-repo@2x.png) right 0 no-repeat;
  background-size: 446px 344px;
}

#setup-in-desktop {
  background: #fff url(/National_Library/20160330061658oe_/http://pages.github.com/images/setup-in-desktop@2x.png) no-repeat right 0;
  background-size: 443px 303px;
}

.tutorial-list .animate-in {
  -webkit-transform: translateY(40px);
  -moz-transform: translateY(40px);
  -o-transform: translateY(40px);
  -ms-transform: translateY(40px);
  transform: translateY(40px);
  opacity: 0;
}

.tutorial-list p {
  margin: 30px 120px 30px;
}

.tutorial-list p:last-child {
  margin-bottom: 0;
}

.article-left p {
  margin-left: 0;
  margin-right: 0;
}

.tutorial-list .right-image p, .tutorial-list .right-image h4 {
  margin-left: 30px;
}

.tutorial-list li .full-size {
  margin-bottom: -66px;
  max-width: 90%;
}

.tutorial-list .hidden {
  display: none;
}

.tutorial-list .question {
  text-align: center;
}

.windows-download {
  color: #fff;
  display: inline-block;
  font-size: 18px;
  margin: 0 0 50px;
  background-color: #71bc22;
	padding: 10px 14px;
  line-height: 27px;
  font-family: "Segoe UI", "Segoe WP", "Helvetica Neue", "Lucida Grande", sans-serif;
  font-weight: 300;
  -webkit-backface-visibility: hidden;
}

.windows-download:hover {
  color: #fff;
  background-color: #62b30e;
}

.windows-download .icon {
  background: url('/National_Library/20160330061658oe_/http://pages.github.com/images/download@2x.png') no-repeat center;
  background-size: 21px 21px;
  height: 21px;
  width: 21px;
  margin: 0 9px -4px 0;
  display: inline-block;
}

.mac-download {
  display:inline-block;
  text-decoration:none;
  text-shadow:0 -1px 0 rgba(0,0,0,0.3);
  background-color:#3582df;
  background-image: -moz-linear-gradient(#45b3f3 0%, #3582df 100%);
  background-image: -webkit-linear-gradient(#45b3f3 0%, #3582df 100%);
  -ms-filter:"progid:DXImageTransform.Microsoft.gradient(startColorstr='#45b3f3', endColorstr='#3582df')";
  border-radius:4px;
  box-shadow:0 1px 2px rgba(0,0,0,0.3);
  margin: 0 0 50px;
  padding: 12px 20px 14px 15px;
  font-size: 17px;
  -webkit-backface-visibility: hidden;
  font-weight: normal;
  color: #fff;
}

.mac-download::before {
	content: "";
	width: 23px;
	height: 24px;
	display: inline-block;
	background-image: url(/National_Library/20160330061658oe_/http://pages.github.com/images/download-arrow@2x.png);
	background-size: 23px 24px;
	margin-right: 11px;
	margin-bottom: -7px;
}

.mac-download:hover:before {
  opacity: 0.8;
}

.mac-download:hover {
	color: #fff;
	background-image: -moz-linear-gradient(#56bdf9 0%, #358af0 100%);
	background-image: -webkit-linear-gradient(#56bdf9 0%, #358af0 100%);
	border-radius:4px;
}

.tutorial-list > li:last-child:before {
  content: "";
  position: absolute;
  left: -55px;
  top: 0;
  height: 105%;
  width: 10px;
  background-color: #f5f5f5;
}

.tutorial-list .right {
  margin: -45px 0 0 30px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
}

.details {
  font-size: 14px;
  font-weight: 400;
}

.tutorial-list .question:after {
  content: "?";
}

.tutorial-list > li:not(.question):after {
  counter-increment: tutorialstep;
  content: counter(tutorialstep);
}

.tutorial-list > li:after {
  width: 58px;
  height: 58px;
  line-height: 58px;
  background-color: #327fc7;
  border-radius: 200px;
  font-size: 30px;
  font-weight: 300;
  color: #fff;
  position: absolute;
  left: -15px;
  top: -15px;
  text-align: center;
  -webkit-backface-visibility: hidden;
  z-index: 100;
}

.hero-octicon {
  width: 100px;
  height: 100px;
  border-radius: 50px;
  text-align: center;
  border: solid 1px #e5e5e5;
  margin: 0 auto 15px;
  display: block;
  -webkit-transition: all 0.2s ease-in-out 0s;
  -moz-transition: all 0.2s ease-in-out 0s;
  -o-transition: all 0.2s ease-in-out 0s;
  transition: all 0.2s ease-in-out 0s;
}

.hero-octicon:hover {
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -o-transform: scale(1.1);
  -ms-transform: scale(1.1);
  transform: scale(1.1);
}

.next-steps .hero-octicon {
  margin-bottom: 35px;
}

.terminal {
  width: 700px;
  margin: 30px auto 0;
}

.header {
  height: 25px;
  display: block;
  background: -moz-linear-gradient(top,  #f7f7f7 0%, #cfcfcf 5%, #aaaaaa 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#f7f7f7), color-stop(5%,#cfcfcf), color-stop(100%,#aaaaaa));
  background: -webkit-linear-gradient(top,  #f7f7f7 0%,#cfcfcf 5%,#aaaaaa 100%);
  background: -o-linear-gradient(top,  #f7f7f7 0%,#cfcfcf 5%,#aaaaaa 100%);
  background: -ms-linear-gradient(top,  #f7f7f7 0%,#cfcfcf 5%,#aaaaaa 100%);
  background: linear-gradient(top,  #f7f7f7 0%,#cfcfcf 5%,#aaaaaa 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#f7f7f7', endColorstr='#aaaaaa',GradientType=0 );
  border: 1px solid #9c9c9c;
  border-bottom-color: #111;
  border-top-left-radius: 7px;
  border-top-right-radius: 7px;
  text-align: center;
  font-size: 13px;
  line-height: 25px;
  text-shadow: 0 1px 0 rgba(255,255,255,0.6);
  color: #444;
}

.shell {
  font-family: Consolas, "Liberation Mono", Courier, monospace;
  font-size: 17px;
  line-height: 28px;
  color: #eeeb82;
  background-color: #3d3d3d;
  overflow: hidden;
  padding: 20px;
  margin: 0;
  border-bottom-left-radius: 7px;
  border-bottom-right-radius: 7px;
  text-align: left;
  display: block;
}

.tutorial-list .shell p {
  margin: 0;
  font-weight: bold;
  -webkit-backface-visibility: hidden;
}

.path {
  color: #71cfee;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  padding-right: 0.6em;
}

.prompt {
  color: #d74d52;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  padding-right: 0.6em;
}

/* end Tutorials */

/* Next steps */

.next-steps {
  margin-top: 80px;
}

.next-steps p {
  font-weight: 400;
}

.next-steps li {
  display: table-cell;
  text-align: center;
  padding: 0 20px 0;

  -webkit-transition: opacity 0.8s ease-in-out 0s;
  -moz-transition: opacity 0.8s ease-in-out 0s;
  -ms-transition: opacity 0.8s ease-in-out 0s;
  -o-transition: opacity 0.8s ease-in-out 0s;
  transition: opacity 0.8s ease-in-out 0s;
}

.next-steps .animate-in {
  opacity: 0;
}

.next-steps li:first-child, .next-steps li:last-child {
  padding-left: 0;
  padding-right: 0;
}

.next-steps .custom-urls {
  -webkit-transition-delay: 0.15s;
  -moz-transition-delay: 0.15s;
  -ms-transition-delay: 0.15s;
  -o-transition-delay: 0.15s;
  transition-delay: 0.15s;
}

.custom-urls .mega-octicon {
  -webkit-transform:rotate(-45deg);
  -moz-transform:rotate(-45deg);
  -o-transform:rotate(-45deg);
  -ms-transform:rotate(-45deg);
  transform:rotate(-45deg);
}

.next-steps .guides {
  -webkit-transition-delay: 0.3s;
  -moz-transition-delay: 0.3s;
  -o-transition-delay: 0.3s;
  transition-delay: 0.3s;
}

/* end next steps */

footer {
  position: relative;
  font-size: 12px;
  line-height: 1.5;
  color: #777;
  clear: both;
  width: 980px;
  padding: 40px 0;
  margin: 70px auto 0 auto;
  border-top: 1px solid #eee;
}

.site-footer-links li {
  display: inline-block;
  margin-left: 10px;
}

.site-footer-links li:first-child {
  margin-left: 0;
}

footer .octicon-mark-github {
  position: absolute;
  top: 38px;
  left: 50%;
  color: #ccc;
  height: 24px;
  width: 24px;
  margin-left: -12px;
  font-size: 24px;
  line-height: 1;
}

footer .right {
  float: right;
  margin: 0;
}

.left {
  float: left;
}

.article-left {
  width: 500px;
  margin-left: 20px;
}

/* @group Octicons -------------------- */

@font-face {
  font-family: 'octicons';
  src: url('octicons.eot');
  src: url('octicons.eot#iefix') format('embedded-opentype'),
       url('octicons.woff') format('woff'),
       url('octicons.ttf') format('truetype'),
       url('octicons.svg#octicons') format('svg');
  font-weight: normal;
  font-style: normal;
}

.octicon-book:before { content: '\f007'} /*  */
.octicon-check:before { content: '\f03a'} /*  */

.octicon-link:before { content: '\f05c'} /*  */
.octicon-mark-github:before { content: '\f00a'} /*  */
.octicon-pencil:before { content: '\f058'} /*  */

/* @end Octicons */

.page .content { padding-left: 10%; padding-right: 10%; }
.versions { font-size: 1.1em; }
.versions table {
  margin-left: auto;
  margin-right: auto;
  margin-top: 25px;
  font-size: 1.1em;
}
.versions table tr th { font-weight: bold; text-align: left; }
.versions table tr td { padding: 5px 20px 5px 0;  }