CSS
html, body {
height: 100%;
}
body {
background: linear-gradient(to bottom,
#e74c3c,
#c0392b,
#e67e22,
#f1c40f,
#3498db,
#34495e);
}
.blend-mode {
position: absolute;
width: 100%;
height: 100%;
background: #000 url(http://i.giphy.com/26BRqkvsYzYVCicne.gif) no-repeat;
background-position: 50% 50%;
right: 0;
mix-blend-mode: lighten;
}
