html, body {
  height: 100%;
  width: 100%;
  font-family: proxima-nova,'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
  padding-top: 40px;
}

section > h1 {
  padding-top: 0px;
}

header > h1 {
  float: left;
  font-size: 24px;
  margin: 00px 0px 0px 60px;
}

header nav > ul > li > a {
  width: 70px;
  height: 31px;
  line-height: 15px;
  padding: 3px 5px;
  color: white;
}

header nav > ul > li > a:hover {
  color: black;
}

div.main_article {
  position: absolute;
  top: 47px;
  width: 100%;
  bottom: 0px;
}

div.main_article > iframe {
  width: 100%;
  height: 100%;
}

.sub_menus {
  position: relative;
}

.sub_menus > ul {
  position: absolute;
  margin: 0px;
  padding: 0px;
  width: 180px;
  right: -10px;
  text-align: right;
  display: none;
  background-color: #444;
  border: 1px #DDD solid;
}

.sub_menus:hover  > ul{
  display: block;
}

.sub_menus > ul:hover {
  display: block;
}

.sub_menus > ul > li {
  margin: 0px;
  padding: 0px;
  list-style: none;
}

.sub_menus > ul > li a:hover {
 background-color: #DDD;
}

@media (max-width: 520px) {
  iframe.main_article {
    margin-top: 40px;
  }
}

article {
  padding: 20px 20px 0 20px;  
}

h1, h2, h3, h4 {
  font-family: inherit;
  font-weight: bold;
  color: inherit;
  text-rendering: optimizelegibility;
}


h1 {
  margin: 10px 0;
  line-height: 20px;
  font-size:32.5px;
}

h1 small {
  font-size:0.7em;
}

h2 {
  margin: 15px 0 15px 0;
  line-height: 20px;
  font-size:25.5px;
}

h2 small {
  font-size:0.7em;
}


h3 {
  margin: 10px 0;
  line-height: 20px;
  font-size:18.5px;
}

pre {
  border: none;
  margin: 10px 0;
}

code {
  border-radius: 7px;
}

ul {
  padding-left: 15px;
  margin-bottom: 10px;
}

li {
  display: list-item;
  list-style-type: disc;
}

#head_intro {
  max-width: none;
  height: 400px;
  background-color: #21242c;
  position: relative;
}

#head_intro > section {
  max-width: 980px;
  position: relative;
  margin: 0 auto;
}

#head_intro h1 {
  color: white;
}

#head_intro h2 {
  color: white;
  border: none;
  font-size: 1.3em;
  margin: 0px;
  padding: 0px;
}

#head_intro h3 {
  color: white;
  border: none;
  font-size: 1em;
  margin: 0px;
  padding: 0px;
  font-weight: 200;
}

#example_tablet {
  width: 400px;
  top: 116px;
  right: 114px;
}

#example_holo {
  width: 150px;
  top: 99px;
  right: 114px;
  opacity: 0.8;
}

#example_ios7 {
  height: 130px;
  top: 165px;
  right: 334px;
  opacity: 0.9;
}

#head_intro img {
  -webkit-transform: rotate(19deg) skew(-18deg, -8deg) scale(1, 0.9);
  -ms-transform: rotate(19deg) skew(-18deg, -8deg) scale(1, 0.9);
  -moz-transform: rotate(19deg) skew(-18deg, -8deg) scale(1, 0.9);
  transform: rotate(19deg) skew(-18deg, -8deg) scale(1, 0.9);
  position: absolute;
}

#intro_menu {
  margin-top: 150px !important;
}

#intro_menu ul {
  list-style: none;
}

#intro_menu ul > li {
  background-color: #FF6B25;
  margin: 15px 5px 0 0;
  display: block;
  width: 120px;
  padding: 8px;
  color: white;
  text-align: center;
  padding-right: 25px;
}

#intro_menu ul > li:active {
  background-color: #a1a6a9;
  color: rgba(255, 255, 255, 0.75);
  outline: none;
}

#intro_menu ul > li:hover {
  background-color: #cacfd2;
  color: #ffffff;
  outline: none;
}

#intro_menu ul > li a {
  color: inherit;
}

#intro_menu ul > li i {
  float: left;
  font-size: 1.5em;
}

.intro-row {
  margin: 10px 0 50px 0;
  position: relative;
}

.intro-col {
  width: 32%;
  display: inline-block;
  vertical-align: top;
  box-sizing: content-box;
}

.intro-col.double {
  width: 64%;
  display: inline-block;
}

.intro-col h3 {
  text-transform: uppercase;
  font-weight: 500;
}
.intro-col > p {
  padding-right: 40px;
}

.demo {
  height: auto;
}

#demo_theme {
  width: 320px;
  height: 570px;
  border: 2px solid #333;
  border-radius: 2px;
  float: right;
}

#demo_theme_selector > li {
  list-style: none;
  background-color: #FF6B25;
  margin: 15px 5px 0 0;
  display: block;
  width: 150px;
  padding: 8px;
  color: white;
  text-align: center;
}

#demo_theme_selector> li:active {
  background-color: #a1a6a9;
  color: rgba(255, 255, 255, 0.75);
  outline: none;
}

#demo_theme_selector > li:hover {
  background-color: #cacfd2;
  color: #ffffff;
  outline: none;
}

#demo_simple_anim {
  width: 215px;
  height: 215px;
  float: right;
}

#demo_property_anim {
  width: 100%;
  height: 215px;
}

#AT_simple_ex {
  -webkit-transform: scale(0.75);
  -ms-transform: scale(0.75);
  -moz-transform: scale(0.75);
  transform: scale(0.75);
}

#demo_disk {
  width: 480px;
  height: 480px;
  float: right;
}

#demo_list {
  width: 320px;
  height: 520px;
  float: right;
}

#demo_cradle {
  width: 570px;
  height: 320px;
  float: right;
}