* {
    padding: 0%;
    margin: 0;
}
body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
    background: #9c27b0;
}
.loader {
    position: relative;
    top: 200px;
    left: 0px;
    width: 300px;
    height: 300px;
    transform-style: preserve-3d;
    transform: perspective(500px) rotateX(60deg);
}   
.loader span {
    position: absolute;
    display: block;
    border: 5px solid #fff;
    box-shadow: 0 5px 0 #ccc, inset 0 5px 0 #ccc;
    box-sizing: border-box;
    border-radius: 50%;
    animation: anim 3s ease-in-out infinite;
}
@keyframes anim {
    0%,100% 
    {
        transform: translateZ(-100px);
    }
    50% 
    {
        transform: translateZ(100px);
    }
}
.loader span:nth-child(1){
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    animation-delay: 1.4s;
}
.loader span:nth-child(2){
    top: 10px;
    left: 10px;
    bottom: 10px;
    right: 10px;
    animation-delay: 1.3s;
}
.loader span:nth-child(3){
    top: 20px;
    left: 20px;
    bottom: 20px;
    right: 20px;
    animation-delay: 1.2s;
}
.loader span:nth-child(4){
    top:    30px;
    left:   30px;
    bottom: 30px;
    right:  30px;
    animation-delay: 1.1s;
}
.loader span:nth-child(5){
    top:    40px;
    left:   40px;
    bottom: 40px;
    right:  40px;
    animation-delay: 1s;
}
.loader span:nth-child(6){
    top:    50px;
    left:   50px;
    bottom: 50px;
    right:  50px;
    animation-delay: 0.9s;
}
.loader span:nth-child(7){
    top:    60px;
    left:   60px;
    bottom: 60px;
    right:  60px;
    animation-delay: 0.8s;
}
.loader span:nth-child(8){
    top:    70px;
    left:   70px;
    bottom: 70px;
    right:  70px;
    animation-delay: 0.7s;
}
.loader span:nth-child(9){
    top:    80px;
    left:   80px;
    bottom: 80px;
    right:  80px;
    animation-delay: 0.6s;
}
.loader span:nth-child(10){
    top:    90px;
    left:   90px;
    bottom: 90px;
    right:  90px;
    animation-delay: 0.5s;
}
.loader span:nth-child(11){
    top:    100px;
    left:   100px;
    bottom: 100px;
    right:  100px;
    animation-delay: 0.4s;
}
.loader span:nth-child(12){
    top:    110px;
    left:   110px;
    bottom: 110px;
    right:  110px;
    animation-delay: 0.3s;
}
.loader span:nth-child(13){
    top:    120px;
    left:   120px;
    bottom: 120px;
    right:  120px;
    animation-delay: 0.2s;
}
.loader span:nth-child(14){
    top:    130px;
    left:   130px;
    bottom: 130px;
    right:  130px;
    animation-delay: 0.1s;
}
.loader span:nth-child(15){
    top:    140px;
    left:   140px;
    bottom: 140px;
    right:  140px;
    animation-delay: 0s;
}