/* Inspirated from  http://www.alessioatzeni.com/wp-content/tutorials/html-css/CSS3-loading-animation-loop/index.html */
#loader {
    display: none;
}
.circle {
    position: relative;
    top: 0;
    bottom: 0;
    display: block;
    margin: auto;
    left: 0;
    right: 0;
    z-index: 99;
    text-align: center;
}
.ouro {
    position: relative;
    display:inline-block;
    height: 66px;
    width: 66px;
    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: 48px; width: 48px;
    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 #0052D9;
    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;
}

.ouro2 .right .anim{
    -webkit-animation-delay: 1.5s;
    animation-delay: 1.5s;
}

/* v3 */
.ouro3 .anim {
    -webkit-animation-delay: 0s;
    -webkit-animation-duration:1s;
    -webkit-animation-timing-function: linear;
    animation-delay: 0s;
    animation-duration:1s;
    animation-timing-function: linear;
}
.ouro3 .right .anim{
    -webkit-animation-name: ui-spinner-rotate-right;
    -webkit-animation-delay: 0.5s;
    animation-name: ui-spinner-rotate-right;
    animation-delay: 0.5s;
}

/* 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)}
}

/*
 * Some bugs with Chrome (Android), Safari and Opera, I'll try to see how http://atomeye.com/projects/sass-css-spinner.html made his code.
 */