.element {
display: inline-block;
width: 1000px;
height: 421px;
background: #f44336;
}
@media (min-width: 400px) {
.element {
background: #cccccc;
background-image: url("http://i.imgur.com/pNkul5j.jpg");
}
}
@media (min-width: 500px) {
.element {
background: #888888;
}
}
@media (min-width: 600px) {
.element {
background: #222222;
background-image: url("http://i.imgur.com/ltiCdvQ.jpg");
}
}
