*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
body{
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    
}
.S{
    width: 38vw;
    height: 38vw;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #979BB8;
    position: relative;
    
}
.b1{
   
   width: 30%;
   height:92%;
   background-image: linear-gradient(#979BB8,#086E72,#1A4FB8,#979BB8);
   position: absolute;
   left: 5%;
   z-index: 1;
   animation: move 30s ease infinite ;
   animation-delay: 15s;
   
}
.b2{
    width: 90%;
    height:92%;
    background-image: linear-gradient(-90deg,#979BB8,#EA7921,#B6321D,#086E72,#1A4FB8,#979BB8);
    position: absolute;
    animation: W 30s ease infinite ;
    z-index: 0;
}
    

@keyframes W {
    0%,5%,100%{
        width: 90%;
        

    
    }
    50%,55%{
       width: 250%;
    }
}

@keyframes move {
    0%,5%,100%{
        left: 5%;
        

    
    }
    50%,55%{
       left: 65%;
    }
    
}