body {
	margin: 0;
}
#container {
	margin: 0;
	padding: 0;
}
.cell {
	height: 200px;
    width: 100%;
    display: block;
    text-align: center;
	margin: 0;
    float: left;
    position: relative;
}
.cell img {
	width: 80%;
	margin: 0 auto;
	display: block;
	position: absolute;
	top: 50%;
	left: 10%;
	transform: translate(0, -50%)
}
.cell .progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background-color: grey;
    opacity: 0.7;
    transition: all 0.1s ease-in;
}

.cell .progress.paused {
    opacity: 0.4;
    animation: pausedPulse 1s infinite;
}

@keyframes pausedPulse {
    0% { opacity: 0.4; }
    50% { opacity: 0.2; }
    100% { opacity: 0.4; }
}
@media screen and (min-width: 640px) {
  .cell {
	  width: 50%;
	  height: 300px;
  }
  .cell img {
	width: 60%;
	left: 20%;
  }
}