.slide-zimbra {
	background:url(https://asset.xmission.com/zimbra/bg-zimbra-slide.jpg); 
	background-size:cover; 
	background-position:center center;
}

.zimbra-slide-container {
	background:url(https://asset.xmission.com/zimbra/bg-zimbra-girders.png); 
	width:349px; 
	height:360px; 
	position:relative;
}

.zimbra-slide-container:hover {
	cursor:pointer;
}

.zimbra-envelope {
	position:absolute; 
	top:30px; 
	left:133px; 
	z-index:1;
  animation: envelope-bob 10s infinite;
}

@keyframes envelope-bob {
  0%   {top:30px ;}
  45%  {top:10px}
  55%  {top:10px}
  100% {top:30px}
}