* {
  margin: 0;
  padding: 0;
}

footer, section, header, figure, aside {
  display: block;
}

html {
  height: 100%;
  width: 100%;
}

body {
  padding: 30px;
  font-family: futura,sans-serif;
}
a{color:inherit}
h1{font-size:20px;margin-bottom:1em;}
h2{font-size:15px;margin-bottom:1em;}
.byline{margin:1em 0;text-align:right;}

body > footer {
  width: 750px;
  font-size: 12px;
  margin: 10px auto;
  text-align: center;
}

body.presentation {
  padding: 0;
  font-family: Bebas,Futura, "Franklin Gothic Medium", Helvetica, arial, sans-serif;
  width: 800px;
  height: 600px;
  margin-left: -400px;
  margin-top: -300px;
  position: absolute; 
  top: 50%; 
  left: 50%;
  overflow: hidden;
}

header.slidesysteminfo, .slidecontainer,.intro {
  width: 750px;
  margin: 10px auto;
}
#infosection {
  padding: 10px;
  border-radius: 5px;
  background: rgba( 0, 0, 0, 0.8 );
  color: #fff;
  overflow: auto;
}

#infosection h1 {
  font-size: 24px;
  padding: 5px 10px;
}
#infosection p, #infosection ul {
  padding: 0 10px;
  font-size: 14px;
}

#infosection div {
  float: left;
  width: 490px;
}
#infosection button {
  display: block;
  font-size: 24px;
  border: none;
  border-radius: 5px;
  background: #b4d455;
  padding: 5px 10px;
  margin: 10px;
}
p ,li {
  line-height: 1.3em;
  margin-bottom: 5px;
}

li {
  margin-left: 1em;
}

.slide {
  position: relative;
  background: #ccc;
  margin: 20px 0;
  padding: 10px 10px 10px 50px;
  border-radius: 10px;
  pointer-events: auto;
}
.hidden {
  position: relative;
  background: #ccc;
  margin: 20px 0;
  padding: 10px 10px 10px 50px;
  border-radius: 10px;
  opacity: 0.5;
}
.liveslides {
  z-index: 20;
  position: absolute;
  top: 10px;
  left: 10px;
}

#pages, #progress, #currentprogress {
  display: none;
}

body.presentation .slidesysteminfo, body.presentation .liveslides {
  display: none;
}
body.presentation .slide > * { 
  position: absolute; 
}

body.presentation .notes {
  position: absolute;
  bottom: 0;
  left: 0;
  background: rgba( 0, 0, 0, 0.8 );
  width: 96%;
  color: #fff;
  padding: 2%;
  z-index:10;
}

body.nonotes .notes { 
  display: none;
}

body.presentation .codedemo {
  
}

body.presentation .site iframe{
  position:absolute;
  width:100%;
  top:100px;
  height:450px;
  z-index:5;
}



body.presentation .slidecontent {
  top: 100px;
  left: 20px;
  width: 760px;
  height: 480px;

}
body.presentation .slideheader {
  font-size: 60px;
}
body.presentation .hidden {
  display: none;
}

body.presentation .slide {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  position: absolute;
  pointer-events: none;
  width: 100%;
  height: 100%;
}

body.presentation .slide { 
  left: -2000px; 
}
body.presentation .slide[ aria-selected ] {
  pointer-events: auto;
  left: 0;
}
body.presentation .slide[ aria-selected ] ~ .slide {
  left: 2000px;
}
.presentation figure {
  height:450px;
  overflow:hidden;
}
.presentation img.landscape {
  display: block;
  width: 650px;
  margin: 10px auto;
}

.presentation img.portrait {
  display: block;
  height: 400px;
  margin: 10px auto;
}
.presentation video{
  display: block;
  width: 100%;
}