html, body {
    height: 100%;
}

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

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

nav {
    opacity: 0.85;
}

h1, h2, h3, h4 {
    margin-top: 1em;
}

section {
    padding: 1ex 0;

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

    text-align: left;
    text-align: initial;
}
.box {
    display:                    inline-block;
    position:                   relative;
    font-size:                  0;
}
.box img {
    border:                     1px solid white;
}

.thumb {
    clear: both;
    border-bottom: 2px ridge white;
    margin-bottom: 4em;
}
.thumb .pull-right {
    margin-left: 5ex;
}
.thumb .pull-left {
    margin-right: 5ex;
}

.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 .background {
    position: absolute;
    width: 100%;
    height: 100%;
}
#app header {
    height: 80%;
}
#app header .background {
    background: url('../img/shot-laptop-standing-iphone-angled-flipped.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;*/
}
header h1 {
    font-size: 4em;
}
header h2 {
    font-size: 2em;
    font-weight: normal;
}
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;
}