body > footer {
	margin-top: 24px;
}

.videos img {
  width:100%;
  height:auto;
}
a.video {
  float: left;
  position: relative;
}
a.video span {
  width: 100%;
  height: 100%;
  position: absolute;
  background: url("../img/play-btn-2.png") no-repeat;
  background-position: 50% 50%;
  background-size: 300%;
}
@media screen and (max-width: 480px) {
  a.video span {
    background-size: 400%;
  }
}