html, body {
    height: 100%;
}

body {
    font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; 
    font-weight: 300;
}

a {
    position: relative;
    color: inherit;
}
a:link, a:visited, *[onclick] {
    color: #08c;
    cursor: pointer;
}
a:hover {
    text-decoration: none;
}
a:link:hover {
    text-decoration: underline;
}
a .popup {
    display: none;
    border-radius: 5px;
    color: #AAA;

    position: absolute;
    z-index: 99;
    right: 0;
    bottom: 100%;
    max-width: inherit;
    max-height: 400px;
    margin-right: -100px;
    padding: 8px;
}
a:hover .popup {
    display: block;
}

nav, h4 {
    font-family: "Myriad Pro", "Gill Sans", "Gill Sans MT", Calibri, sans-serif;
}

nav {
    opacity: 0.85;
}

h1, h2, h3, h4 {
    margin-top: 1em;
}
/*
*[id]::before {
position: relative;
    content: "";
    display: block;
    height: 60px;
width: 5px;
background: red;
    margin-top: -60px;
}
*/

section {
    padding: 1ex 0;

    text-align: center;
}
.content {
    padding-top: 100px;
    width: 940px;
    margin: auto;

    text-align: left;
    text-align: initial;
}
.hlvl {
    border-left: 5px solid #EEE;
    padding-left: 1em;
}
.hlvl .hlvl {
    border-color: #CCC;
    margin-left: -1em;
    padding-left: 2em;
}
.hlvl .hlvl .hlvl {
    border-color: #AAA;
    margin-left: -2em;
    padding-left: 3em;
}
h2.inline, h3.inline, h4.inline {
    display: inline-block;
    line-height: inherit;
}
.box {
    display:                    inline-block;
    position:                   relative;
    font-size:                  0;
}
.box img {
    border:                     1px solid white;
}
img.block {
    display:                    block;
    border:                     1px solid black;
    padding:                    4px;
    margin:                     auto 1em;
    width:                      640px;
}

.thumb {
    clear: both;
    border-bottom: 2px ridge white;
    margin-bottom: 4em;
}
.thumb img.pull-right, img.pull-left {
    width: 400px;
}
.thumb .pull-right {
    margin-left: 5ex;
}
.thumb .pull-left {
    margin-right: 5ex;
}
.fit-height {
    height: 100%;
    max-height: 100%;
}
.middle {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    vertical-align: middle;
}
.middle::before {
    display: inline-block;
    content: "";
    width: 0;
    height: 100%;
    margin-left: -2px;
    vertical-align: middle;
}
.middle.play::after {
    content: "▶";
    display: inline-block;
    background: rgba(0, 0, 0, 0.7);
    box-shadow: 0 0 1px white;
    border-radius: 50%;
    padding: 1ex;
    font-size: 200%;
    vertical-align: middle;
    transition: box-shadow 0.3s;
}
.middle.play:hover::after {
    box-shadow: 0 0 10px white;
}

.column {
    display: inline-block;
    margin: 0 2em;
    vertical-align: top;
}

.navbar .nav .img {
    padding: 4px;
}

.navbar .nav .img img {
    display: block;
    height: 32px;
}
ul.pictures {
    list-style: none;
}
ul.pictures li {
    display: inline-block;
    padding: 1ex;
}

header {
    position: relative;
    overflow: hidden;

    color: white;
    background: black;
    text-shadow: black 0 1px 50px;
    box-shadow: 0 1px 5px #000;
}
header .container {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 1;

    background: radial-gradient(center, ellipse cover,  rgba(0,0,0,0.3) 50%,rgba(0,0,0,0.8) 100%);
    background: gradient(radial, center center, 0px, center center, 100%, color-stop(50%,rgba(0,0,0,0.3)), color-stop(100%,rgba(0,0,0,0.8)));
    background: radial-gradient(ellipse at center,  rgba(0,0,0,0.3) 50%,rgba(0,0,0,0.8) 100%);
    background: radial-gradient(70% 50% at 30% 50%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.8) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#44000000', endColorstr='#cc000000',GradientType=1 );
}
header a:link, header a:visited, header *[onclick] {
    color: white;
}
header .background {
    position: absolute;
    width: 100%;
    height: 100%;
}
header .box {
    background: rgba(0, 0, 0, 0.8);
    transition: all 0.5s;

    position: absolute;
    right: 1em;
    bottom: 1em;
    width: 160px;
    height: 100px;

    text-align: center;
}
header .box.active {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
}
header .box::before {
    display: inline-block;
    vertical-align: middle;
    width: 0;
    height: 100%;
    content: "";
    margin-left: -2px;
}
header .box .minimized,
header .box .maximized {
    position: relative;
    vertical-align: middle;
    font-size: 12pt;
}
header .box .minimized,
header .box.active .maximized {
    display: inline-block;
}
header .box.active .minimized,
header .box .maximized {
    display: none;
}
#scrollDown {
    position: fixed;
    z-index: -1;
    left: 0;
    width: 100%;
    bottom: 0;
    height: 1ex;
    text-align: center;

    color: #DDD;
    font-size: 7em;
}
#app header {
    height: 80%;
}
#app header .background {
    background: url('../img/shot-laptop-leaning-iphone.png') center center;
    background-size: cover;
}
#algorithm header,
#support header {
    height: 40%;
    
    background: #272727;
}
#algorithm header .background,
#support header .background {
    width: 940px;
    height: auto;
    left: 50%;
    top: -10%;
    margin-left: -470px;
}
#algorithm header .container,
#support header .container {
    background: radial-gradient(center, ellipse cover,  rgba(0,0,0,0.3) 50%,rgba(0,0,0,0.8) 100%);
    background: gradient(radial, center center, 0px, center center, 100%, color-stop(50%,rgba(0,0,0,0.3)), color-stop(100%,rgba(0,0,0,0.8)));
    background: radial-gradient(ellipse at center,  rgba(0,0,0,0.3) 50%,rgba(0,0,0,0.8) 100%);
    background: radial-gradient(50% 50% at 50% 30%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.8) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#44000000', endColorstr='#cc000000',GradientType=1 );
}
header .content {
    position: absolute;
    bottom: 5px;
    left: 50%;
    margin-left: -470px;

    text-align: right;

    /*background: linear-gradient(to bottom, rgba(0,0,0,0) 85%, rgba(0,0,0,0.7) 85%);*/
    /*background: black url("../img/shot-laptop-leaning-iphone.png") center top / cover no-repeat;*/
}
h1, h2 {
    font-weight: 100;
}
h1 {
    font-size: 3em;
    margin: 0 0 1ex;
}
header h1 {
    font-size: 6em;
    margin: 0;
}
header h2 {
    font-size: 2em;
    font-style: oblique;
}
footer {
    overflow: hidden;
    text-align: center;
}
footer h1 {
    background: #EEE;

    font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; 
    font-size: 170%;
    font-weight: 100;
}
footer .content {
    margin: 1em auto;
    padding: 0;
}
footer .column {
    text-align: left;
}
q::before {
    content: open-quote;
}
q {
    font-style: italic;
}
q::after {
    content: close-quote;
}
table {
    width: 100%;
}
thead {
    background: #DDD;
}
tbody {
    background: #EEE;
}
th {
    background: #E9E9E9;
}
td, th {
    padding: 1ex;
}
thead {
    border: 1px solid #DDD;
}
tbody td, tbody th {
    border: 1px solid #DDD;
}
caption {
    font-weight: bold;
    font-size: 120%;
}
table .box {
    display: block;
    width: 15px;
    height: 15px;
    float: right;
    border-radius: 5px;
}
table .box.red {
    background: #A66;
    border: 1px solid #C33;
}
table .box.orange {
    background: #AA6;
    border: 1px solid #CC3;
}
table .box.green {
    background: #6A6;
    border: 1px solid #3C3;
}