加载动画

<div class="cssload-loader">
    <div class="cssload-inner cssload-one"></div>
    <div class="cssload-inner cssload-two"></div>
    <div class="cssload-inner cssload-three"></div>
</div>

.cssload-loader {
    position: relative;
    left: calc(50% - 88px);
    width: 176px;
    height: 176px;
    border-radius: 50%;
        -o-border-radius: 50%;
        -ms-border-radius: 50%;
        -webkit-border-radius: 50%;
        -moz-border-radius: 50%;
    perspective: 2200px;
}

.cssload-inner {
    position: absolute;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
        -o-box-sizing: border-box;
        -ms-box-sizing: border-box;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
    border-radius: 50%;
        -o-border-radius: 50%;
        -ms-border-radius: 50%;
        -webkit-border-radius: 50%;
        -moz-border-radius: 50%;    
}

.cssload-inner.cssload-one {
    left: 0%;
    top: 0%;
    animation: cssload-rotate-one 0.7s linear infinite;
        -o-animation: cssload-rotate-one 0.7s linear infinite;
        -ms-animation: cssload-rotate-one 0.7s linear infinite;
        -webkit-animation: cssload-rotate-one 0.7s linear infinite;
        -moz-animation: cssload-rotate-one 0.7s linear infinite;
    border-bottom: 8px solid rgb(0,0,0);
}

.cssload-inner.cssload-two {
    right: 0%;
    top: 0%;
    animation: cssload-rotate-two 0.7s linear infinite;
        -o-animation: cssload-rotate-two 0.7s linear infinite;
        -ms-animation: cssload-rotate-two 0.7s linear infinite;
        -webkit-animation: cssload-rotate-two 0.7s linear infinite;
        -moz-animation: cssload-rotate-two 0.7s linear infinite;
    border-right: 8px solid rgb(0,0,0);
}

.cssload-inner.cssload-three {
    right: 0%;
    bottom: 0%;
    animation: cssload-rotate-three 0.7s linear infinite;
        -o-animation: cssload-rotate-three 0.7s linear infinite;
        -ms-animation: cssload-rotate-three 0.7s linear infinite;
        -webkit-animation: cssload-rotate-three 0.7s linear infinite;
        -moz-animation: cssload-rotate-three 0.7s linear infinite;
    border-top: 8px solid rgb(0,0,0);
}







@keyframes cssload-rotate-one {
    0% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@-o-keyframes cssload-rotate-one {
    0% {
        -o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    100% {
        -o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@-ms-keyframes cssload-rotate-one {
    0% {
        -ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    100% {
        -ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@-webkit-keyframes cssload-rotate-one {
    0% {
        -webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    100% {
        -webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@-moz-keyframes cssload-rotate-one {
    0% {
        -moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
    }
    100% {
        -moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
    }
}

@keyframes cssload-rotate-two {
    0% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@-o-keyframes cssload-rotate-two {
    0% {
        -o-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    100% {
        -o-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@-ms-keyframes cssload-rotate-two {
    0% {
        -ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    100% {
        -ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@-webkit-keyframes cssload-rotate-two {
    0% {
        -webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    100% {
        -webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@-moz-keyframes cssload-rotate-two {
    0% {
        -moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
    }
    100% {
        -moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
    }
}

@keyframes cssload-rotate-three {
    0% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    100% {
        transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

@-o-keyframes cssload-rotate-three {
    0% {
        -o-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    100% {
        -o-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

@-ms-keyframes cssload-rotate-three {
    0% {
        -ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    100% {
        -ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

@-webkit-keyframes cssload-rotate-three {
    0% {
        -webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    100% {
        -webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

@-moz-keyframes cssload-rotate-three {
    0% {
        -moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
    }
    100% {
        -moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
    }
}

<div id="circularG">
    <div id="circularG_1" class="circularG"></div>
    <div id="circularG_2" class="circularG"></div>
    <div id="circularG_3" class="circularG"></div>
    <div id="circularG_4" class="circularG"></div>
    <div id="circularG_5" class="circularG"></div>
    <div id="circularG_6" class="circularG"></div>
    <div id="circularG_7" class="circularG"></div>
    <div id="circularG_8" class="circularG"></div>
</div>

#circularG{
    position:relative;
    width:98px;
    height:98px;
    margin: auto;
}

.circularG{
    position:absolute;
    background-color:rgb(0,0,0);
    width:23px;
    height:23px;
    border-radius:15px;
        -o-border-radius:15px;
        -ms-border-radius:15px;
        -webkit-border-radius:15px;
        -moz-border-radius:15px;
    animation-name:bounce_circularG;
        -o-animation-name:bounce_circularG;
        -ms-animation-name:bounce_circularG;
        -webkit-animation-name:bounce_circularG;
        -moz-animation-name:bounce_circularG;
    animation-duration:1.1s;
        -o-animation-duration:1.1s;
        -ms-animation-duration:1.1s;
        -webkit-animation-duration:1.1s;
        -moz-animation-duration:1.1s;
    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-direction:normal;
        -o-animation-direction:normal;
        -ms-animation-direction:normal;
        -webkit-animation-direction:normal;
        -moz-animation-direction:normal;
}

#circularG_1{
    left:0;
    top:39px;
    animation-delay:0.41s;
        -o-animation-delay:0.41s;
        -ms-animation-delay:0.41s;
        -webkit-animation-delay:0.41s;
        -moz-animation-delay:0.41s;
}

#circularG_2{
    left:10px;
    top:10px;
    animation-delay:0.55s;
        -o-animation-delay:0.55s;
        -ms-animation-delay:0.55s;
        -webkit-animation-delay:0.55s;
        -moz-animation-delay:0.55s;
}

#circularG_3{
    top:0;
    left:39px;
    animation-delay:0.69s;
        -o-animation-delay:0.69s;
        -ms-animation-delay:0.69s;
        -webkit-animation-delay:0.69s;
        -moz-animation-delay:0.69s;
}

#circularG_4{
    right:10px;
    top:10px;
    animation-delay:0.83s;
        -o-animation-delay:0.83s;
        -ms-animation-delay:0.83s;
        -webkit-animation-delay:0.83s;
        -moz-animation-delay:0.83s;
}

#circularG_5{
    right:0;
    top:39px;
    animation-delay:0.97s;
        -o-animation-delay:0.97s;
        -ms-animation-delay:0.97s;
        -webkit-animation-delay:0.97s;
        -moz-animation-delay:0.97s;
}

#circularG_6{
    right:10px;
    bottom:10px;
    animation-delay:1.1s;
        -o-animation-delay:1.1s;
        -ms-animation-delay:1.1s;
        -webkit-animation-delay:1.1s;
        -moz-animation-delay:1.1s;
}

#circularG_7{
    left:39px;
    bottom:0;
    animation-delay:1.24s;
        -o-animation-delay:1.24s;
        -ms-animation-delay:1.24s;
        -webkit-animation-delay:1.24s;
        -moz-animation-delay:1.24s;
}

#circularG_8{
    left:10px;
    bottom:10px;
    animation-delay:1.38s;
        -o-animation-delay:1.38s;
        -ms-animation-delay:1.38s;
        -webkit-animation-delay:1.38s;
        -moz-animation-delay:1.38s;
}



@keyframes bounce_circularG{
    0%{
        transform:scale(1);
    }

    100%{
        transform:scale(.3);
    }
}

@-o-keyframes bounce_circularG{
    0%{
        -o-transform:scale(1);
    }

    100%{
        -o-transform:scale(.3);
    }
}

@-ms-keyframes bounce_circularG{
    0%{
        -ms-transform:scale(1);
    }

    100%{
        -ms-transform:scale(.3);
    }
}

@-webkit-keyframes bounce_circularG{
    0%{
        -webkit-transform:scale(1);
    }

    100%{
        -webkit-transform:scale(.3);
    }
}

@-moz-keyframes bounce_circularG{
    0%{
        -moz-transform:scale(1);
    }

    100%{
        -moz-transform:scale(.3);
    }
}