/* Inspirated from  http://www.alessioatzeni.com/wp-content/tutorials/html-css/CSS3-loading-animation-loop/index.html */
.ouro {
	position: relative;
	display:inline-block;
	height: 46px;
	width: 46px;
	margin: 1em;
	border-radius: 50%;
	background: none repeat scroll 0 0 #DDDDDD;
	overflow:hidden;
	box-shadow: 0 0 10px rgba(0,0,0,.1) inset, 0 0 25px rgba(0,0,255,0.075);
}

.ouro:after {
	content: "";
	position: absolute;
	top: 9px; left: 9px;
	display: block;
	height: 28px; width: 28px;
	background: none repeat scroll 0 0 #F2F2F2;
	border-radius: 50%;
	box-shadow: 0 0 10px rgba(0,0,0,.1);
}
.ouro > span {
	position: absolute;
	height: 100%; width: 50%;
	overflow: hidden;
}
.left  { left:0   }
.right { left:50% }

.anim {
	position: absolute;
	left: 100%; top: 0;
	height: 100%; width: 100%;
	border-radius: 999px;
	background: none repeat scroll 0 0 #508EC3;
	opacity: 0.8;
	-webkit-animation: ui-spinner-rotate-left 3s infinite;
	animation: ui-spinner-rotate-left 3s infinite;
	-webkit-transform-origin: 0 50% 0;
	transform-origin: 0 50% 0;
}
.left .anim {
	border-bottom-left-radius: 0;
	border-top-left-radius: 0;
}
.right .anim {
	border-bottom-right-radius: 0;
	border-top-right-radius: 0;
	left: -100%;
	-webkit-transform-origin: 100% 50% 0;
	transform-origin: 100% 50% 0;
}

/* v2 */
.ouro2 .anim {
	-webkit-animation-delay:0;
	animation-delay:0;
}
.ouro2 .right .anim{
	-webkit-animation-delay: 1.5s;
	animation-delay: 1.5s;
}

/* v3 */
.ouro3 .anim {
	-webkit-animation-delay: 0s;
	-webkit-animation-duration:3s;
	-webkit-animation-timing-function: linear;
	animation-delay: 0s;
	animation-duration:3s;
	animation-timing-function: linear;
}
.ouro3 .right .anim{
	-webkit-animation-name: ui-spinner-rotate-right;
	-webkit-animation-delay:0;
	-webkit-animation-delay: 1.5s;
	animation-name: ui-spinner-rotate-right;
	animation-delay:0;
	animation-delay: 1.5s;
}

/* round variation */
.round .ouro:after {display:none }

/* double variation */
.double .ouro:after {
	height: 13px; width: 13px;
	left: 7px; top: 7px;
	border: 10px solid #ddd;
	background: transparent;
	box-shadow: none;
}

@keyframes ui-spinner-rotate-right{
	0%{transform:rotate(0deg)}
	25%{transform:rotate(180deg)}
	50%{transform:rotate(180deg)}
	75%{transform:rotate(360deg)}
	100%{transform:rotate(360deg)}
}
@keyframes ui-spinner-rotate-left{
	0%{transform:rotate(0deg)}
	25%{transform:rotate(0deg)}
	50%{transform:rotate(180deg)}
	75%{transform:rotate(180deg)}
	100%{transform:rotate(360deg)}
}

@-webkit-keyframes ui-spinner-rotate-right{
	0%{-webkit-transform:rotate(0deg)}
	25%{-webkit-transform:rotate(180deg)}
	50%{-webkit-transform:rotate(180deg)}
	75%{-webkit-transform:rotate(360deg)}
	100%{-webkit-transform:rotate(360deg)}
}
@-webkit-keyframes ui-spinner-rotate-left{
	0%{-webkit-transform:rotate(0deg)}
	25%{-webkit-transform:rotate(0deg)}
	50%{-webkit-transform:rotate(180deg)}
	75%{-webkit-transform:rotate(180deg)}
	100%{-webkit-transform:rotate(360deg)}
}