/*Time to finalise the cloud shape*/
.cloud {
	width: 200px;
	height: 60px;
	background: #fff;
	border-radius: 200px;
	-moz-border-radius: 200px;
	-webkit-border-radius: 200px;
	position: relative;
}

.cloud:before, .cloud:after {
	content: '';
	position: relative; 
	background: #fff;
	width: 100px; height: 80px;
	position: absolute; top: -15px; left: 10px;
	
	border-radius: 100px;
	-moz-border-radius: 100px;
	-webkit-border-radius: 100px;
	
	-webkit-transform: rotate(30deg);
	transform: rotate(30deg);
	-moz-transform: rotate(30deg);
}

.cloud:after {
	width: 120px; height: 120px;
	top: -55px; left: auto; right: 15px;
}

/*Time to animate*/
.x1 {
	-webkit-animation: moveclouds 50s linear infinite;
	-moz-animation: moveclouds 50s linear infinite;
	-o-animation: moveclouds 50s linear infinite;
}

/*variable speed, opacity, and position of clouds for realistic effect*/
.x2 {
	left: 200px; top: -90px;
	
	/*-webkit-transform: scale(0.6);
	-moz-transform: scale(0.6);
	transform: scale(0.6);
	opacity: 0.6;*/ /*opacity proportional to the size*/
	
	/*Speed will also be proportional to the size and opacity*/
	/*More the speed. Less the time in 's' = seconds*/
	-webkit-animation: moveclouds 80s linear infinite;
	-moz-animation: moveclouds 80s linear infinite;
	-o-animation: moveclouds 80s linear infinite;
}

.x3 {
	left: 0; top: 30px;
	
	/*-webkit-transform: scale(0.8);
	-moz-transform: scale(0.8);
	transform: scale(0.8);
	opacity: 0.8;*/ /*opacity proportional to the size*/
	
	-webkit-animation: moveclouds 60s linear infinite;
	-moz-animation: moveclouds 60s linear infinite;
	-o-animation: moveclouds 60s linear infinite;
}

.x4 {
	left: 470px; top: -80px;
	
	/*-webkit-transform: scale(0.75);
	-moz-transform: scale(0.75);
	transform: scale(0.75);
	opacity: 0.75*/; /*opacity proportional to the size*/
	
	-webkit-animation: moveclouds 70s linear infinite;
	-moz-animation: moveclouds 70s linear infinite;
	-o-animation: moveclouds 70s linear infinite;
}

.x5 {
	left: -150px; top: 150px;
	
	/*-webkit-transform: scale(0.8);
	-moz-transform: scale(0.8);
	transform: scale(0.8);
	opacity: 0.8;*/ /*opacity proportional to the size*/
	
	-webkit-animation: moveclouds 55s linear infinite;
	-moz-animation: moveclouds 55s linear infinite;
	-o-animation: moveclouds 55s linear infinite;
}

@-webkit-keyframes moveclouds {
	0% {margin-left: 1000px;}
	100% {margin-left: -1000px;}
}
@-moz-keyframes moveclouds {
	0% {margin-left: 1000px;}
	100% {margin-left: -1000px;}
}
@-o-keyframes moveclouds {
	0% {margin-left: 1000px;}
	100% {margin-left: -1000px;}
}