strong{ color:red;}
.loading3 {
    border-radius: 50%;
    font-size: 20px;
    height: 100px;
    line-height: 90px;
    position: relative;
    text-align: center;
    width: 100px;
}
.loading3 > div:nth-child(2), .loading3 > div:nth-child(3) {
    background-color: rgba(255, 255, 255, 0.2);
    border: 5px solid #FFF;
    border-radius: 50%;
    box-shadow: 0 0 5px 0 #009933;
    height: 100px;
    position: absolute;
    top: 0px;

    /* set top and bottom border widths to 0 */
    border-top-width: 0;
    border-bottom-width: 0;

    /* css3 animation */
    -webkit-animation: anim3 2s linear infinite;
    -moz-animation: anim3 2s linear infinite;
    -ms-animation: anim3 2s linear infinite;
    -o-animation: anim3 2s linear infinite;
    animation: anim3 2s linear infinite;
}
.loading3 > div:nth-child(2) {
    border-color: #FFF;
    left: 0px;
    width: 90px;
}
.loading3 > div:nth-child(3) {
    border-color: #009933;
    left: -5px;
    width: 100px;

    /* css3 delay */
    -webkit-animation-delay:0.5s;
    -moz-animation-delay:0.5s;
    -ms-animation-delay:0.5s;
    -o-animation-delay:0.5s;
    animation-delay:0.5s;
}

/* css3 keyframes - animation 3 */
@-webkit-keyframes anim3 {
    from { -webkit-transform: rotateY(0deg); }
    50% { -webkit-transform: rotateY(180deg); }
    to { -webkit-transform: rotateY(360deg); }
}
@-moz-keyframes anim3 {
    from { -moz-transform: rotateY(0deg); }
    50% { -moz-transform: rotateY(180deg); }
    to { -moz-transform: rotateY(360deg); }
}
@-ms-keyframes anim3 {
    from { -ms-transform: rotateY(0deg); }
    50% { -ms-transform: rotateY(180deg); }
    to { -ms-transform: rotateY(360deg); }
}
@-o-keyframes anim3 {
    from { -o-transform: rotateY(0deg); }
    50% { -o-transform: rotateY(180deg); }
    to { -o-transform: rotateY(360deg); }
}
@keyframes anim3 {
    from { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
    to { transform: rotateY(360deg); }
}