body
{
    font: 16px Times, serif;
    background-color: #232;
    color: white;
    -webkit-transition: background-color 5s linear;
    -moz-transition: background-color 5s linear;
    -o-transition: background-color 5s linear;
    transition: background-color 5s linear;
}

.wide-image
{
    width: 95%;
}
.tall-image
{
    height: 18em;
}
img
{
    border: none;
}

#slides
{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    background: -webkit-radial-gradient(center, rgb(184, 188, 184), rgba(184, 188, 184, 0));
    background: -moz-radial-gradient(center, rgb(184, 188, 184), rgba(184, 188, 184, 0));
    background: -ms-radial-gradient(center, rgb(184, 188, 184), rgba(184, 188, 184, 0));
    background: radial-gradient(center, rgb(184, 188, 184), rgba(184, 188, 184, 0));
}

#slides > .slide
{
    display: none;
    position: absolute;
    top: 2em;
    left: 1em;
    overflow: hidden;
    width: 56em;
    height: 37em;
    text-align: left;
    color: #022;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 1em;
    box-shadow: 0 0 0.75em 0.5em black;
    padding: 1em;
    -webkit-transition: -webkit-transform .33s linear, opacity .33s linear;
    -moz-transition: -moz-transform .33s linear, opacity .33s linear;
    -o-transition: -o-transform .33s linear, opacity .33s linear;
    transition: transform .33s linear, opacity .33s linear;
    -webkit-transform: rotateY(90deg);
    -moz-transform: rotateY(90deg);
    -ms-transform: rotateY(90deg);
    -o-transform: rotateY(90deg);
    transform: rotateY(90deg);
    opacity: 0.2;
}

#slides > .slide.active
{
    display: block;
    -webkit-transform: rotateY(0deg);
    -moz-transform: rotateY(0deg);
    -ms-transform: rotateY(0deg);
    -o-transform: rotateY(0deg);
    transform: rotateY(0deg);
    opacity: 1;
}

#slides > .slide > header
{
    font: 2.25em Verdana, Geneva, sans-serif;
    font-weight: bold;
    text-align: center;
    color: #233d53;
    text-shadow: -.1em -.1em 0.25em white, .1em .1em 0.25em slategray;
    margin-bottom: 1em;
}
#slides > .slide > footer
{
    position: absolute;
    bottom: 1em;
    left: 1em;
    right: 1em;
}

#slides > .slide > ul,
#slides > .slide > div
{
    font-size: 2em;
}
#slides > .slide input
{
    font-size: 0.8em;
}
#slides > .slide button
{
    font-size: 1em;
    border-radius: 0.5em;
    border: 0.125em solid #233d53;
    cursor: pointer;
    background-color: whitesmoke;
    color: #233d53;
}

#slides > .slide.center-content
{
    text-align: center;
}
#slides > .slide .my-name
{
    font-size: 1.2em;
    font-weight: bold;
}
#slides > .slide canvas
{
    margin: 1em auto;
    background: white;
    cursor: crosshair;
}
#slides > .canvas.slide canvas
{
    width: 80%;
}

#slides > .file-reader.slide input
{
    font-size: .5em;
}

#slides > .file-reader.slide .result
{
    display: none;
    font-size: 0.5em;
}

#slides > .slide progress,
#slides > .slide input[type=range]
{
    width: 15em;
}

#slides > .slide > .shadow-demo
{
    font-size: 3em;
    margin: 1em auto;
    width: 10em;
    padding: 1em;
    text-align: center;
    border-radius: 2em 3em;
    box-shadow: 0.1em 0.1em 0.5em 0.25em steelblue;
    background-color: whitesmoke;
    color: white;
    text-shadow: 0 0 0.5em #1f3548;
}

#slides > .transition-demo.slide > div
{
    margin-left: 1em;
}
#slides > .transition-demo.slide a
{
    text-decoration: none;
    color: #233d53;
}
#slides > .transition-demo.slide > div .expander
{
    display: inline-block;
    font-size: 0.8em;
    width: 1em;
    height: 1em;
    padding: 0;
    margin-right: 0.1em;
    border: 0.125em solid #233d53;
    background-color: whitesmoke;
    border-radius: 50%;
}
#slides > .transition-demo.slide .details > img
{
    float: left;
    height: 3em;
    margin: 0.1em 1em 0 0;
}
#slides > .transition-demo.slide .details
{
    margin-left: 1em;
    border: 0.1em solid steelblue;
    border-radius: 0.2em;
    padding: 0.15em 0.5em;
    background-color: lightsteelblue;
    overflow: hidden;

    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    -webkit-transition: all 0.5s;
    transition: all 0.5s;
    height: 0;
    opacity: 0;
}
#slides > .transition-demo.slide .details.expanded
{
    height: 3.6em;
    opacity: 1;
}

#slides > .title.slide
{
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
#slides > .title.slide header
{
    color: black;
    font-size: 6em;
    text-shadow: 0 0 0.25em white;
}
#slides > .start.title.slide
{
    background-image: url(images/big-bang.jpg);
}
#slides > .html5-apis.title.slide
{
    background-image: url(images/html-apis.png);
}
#slides > .bg1.title.slide
{
    background-image: url(images/bg1.jpg);
}
#slides > .bg2.title.slide
{
    background-image: url(images/bg2.jpg);
}
#slides > .bg3.title.slide
{
    background-image: url(images/bg3.jpg);
}
#slides > .bg4.title.slide
{
    background-image: url(images/bg4.jpg);
}
#slides > .bg5.title.slide
{
    background-image: url(images/bg5.jpg);
}

.random.slide input
{
    width: 3em;
}
.random.slide .spinner
{
    background: -moz-linear-gradient(left, #1e5799, #7db9e8, #1e5799);
    background: -ms-linear-gradient(left, #1e5799, #7db9e8, #1e5799);
    background: -webkit-linear-gradient(left, #1e5799, #7db9e8, #1e5799);
    background: linear-gradient(left, #1e5799, #7db9e8, #1e5799);
    width: 18em;
    margin: 2em auto;
}
.random.slide .spinner span
{
    display: inline-block;
    font-size: 4em;
    width: 1.5em;
    text-align: center;
    color: darkred;
}
.random.slide .spinner span.prev,
.random.slide .spinner span.next
{
    opacity: 0.5;
    width: 1em;
    -moz-transform: rotateY(60deg);
    -ms-transform: rotateY(60deg);
    -o-transform: rotateY(60deg);
    -webkit-transform: rotateY(60deg);
    transform: rotateY(60deg);
}
.random.slide .spinner span.prev1,
.random.slide .spinner span.next1
{
    opacity: 0.25;
    width: .1em;
    -moz-transform: rotateY(80deg);
    -ms-transform: rotateY(80deg);
    -o-transform: rotateY(80deg);
    -webkit-transform: rotateY(80deg);
    transform: rotateY(80deg);
}

#status
{
    position: absolute;
    left: 0;
    bottom: 0;
    color: white;
    font-size: 12px;
}