body{
    padding: 0;
    margin: 0;
    height: 100vh;
    background-color: purple;
    display:flex ;
    justify-content: center;
    align-items: center;
}
.loader{
background: linear-gradient(#14ffe9, #ffeb3b, #ff00e0);
height: 100px;
width: 100px;
border-radius: 50px;
position: relative;
animation:animate 0.5s linear infinite;
}
@keyframes animate{
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(360deg);
    }
}
.loader span{
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;  
background: linear-gradient(#14ffe9, #ffeb3b, #ff00e0);
}
.loader span:nth-child(1){
    filter: blur(5px);
}
.loader span:nth-child(2){
    filter: blur(5px);
}
.loader span:nth-child(3){
    filter: blur(5px);
}
.loader span:nth-child(4){
    filter: blur(5px);
}
.loader:after{
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: purple;
    border-radius: 50%;
}