.overlay-loader {
    display: block;
    margin: auto;
    width: 97px;
    height: 97px;
    position: relative;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
.loader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 97px;
    height: 97px;
    animation-name: rotateAnim;
    -o-animation-name: rotateAnim;
    -ms-animation-name: rotateAnim;
    -webkit-animation-name: rotateAnim;
    -moz-animation-name: rotateAnim;
    animation-duration: 0.93s;
    -o-animation-duration: 0.93s;
    -ms-animation-duration: 0.93s;
    -webkit-animation-duration: 0.93s;
    -moz-animation-duration: 0.93s;
    animation-iteration-count: infinite;
    -o-animation-iteration-count: infinite;
    -ms-animation-iteration-count: infinite;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    animation-timing-function: linear;
    -o-animation-timing-function: linear;
    -ms-animation-timing-function: linear;
    -webkit-animation-timing-function: linear;
    -moz-animation-timing-function: linear;
}
.loader div {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.97);
    position: absolute;
    top: 2px;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.loader div:nth-child(odd) {
    border-top: none;
    border-left: none;
}
.loader div:nth-child(even) {
    border-bottom: none;
    border-right: none;
}
.loader div:nth-child(2) {
    border-width: 2px;
    left: 0px;
    top: -4px;
    width: 12px;
    height: 12px;
}
.loader div:nth-child(3) {
    border-width: 2px;
    left: -1px;
    top: 3px;
    width: 18px;
    height: 18px;
}
.loader div:nth-child(4) {
    border-width: 3px;
    left: -1px;
    top: -4px;
    width: 23px;
    height: 23px;
}
.loader div:nth-child(5) {
    border-width: 3px;
    left: -1px;
    top: 4px;
    width: 31px;
    height: 31px;
}
.loader div:nth-child(6) {
    border-width: 4px;
    left: 0px;
    top: -4px;
    width: 39px;
    height: 39px;
}
.loader div:nth-child(7) {
    border-width: 4px;
    left: 0px;
    top: 6px;
    width: 49px;
    height: 49px;
}


@keyframes rotateAnim {
    from {
        transform: rotate(360deg);
    }
    to {
        transform: rotate(0deg);
    }
}

@-o-keyframes rotateAnim {
    from {
        -o-transform: rotate(360deg);
    }
    to {
        -o-transform: rotate(0deg);
    }
}

@-ms-keyframes rotateAnim {
    from {
        -ms-transform: rotate(360deg);
    }
    to {
        -ms-transform: rotate(0deg);
    }
}

@-webkit-keyframes rotateAnim {
    from {
        -webkit-transform: rotate(360deg);
    }
    to {
        -webkit-transform: rotate(0deg);
    }
}

@-moz-keyframes rotateAnim {
    from {
        -moz-transform: rotate(360deg);
    }
    to {
        -moz-transform: rotate(0deg);
    }
}