*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: #000;
}
.atom{
    position: relative;
    display: flex;
    width: 300px;
    height: 300px;
    align-items: center;
    justify-content: center;

}
.atom::before{
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    background: transparent;
    box-shadow: inset 0 0 10px #fff;
    border-radius: 50%;
}
.line{
    width: 100%;
    height: 100%;
    position: absolute;
    opacity: 0.7;
}
.line-1{
    --color:#40ff9c;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border-bottom: 10px solid var(--color);
    border-top: 10px solid var(--color);
    animation: line1 2s linear infinite;
    filter: drop-shadow(0 0 10px var(--color));
}
@keyframes line1{
    0%{
        transform: rotateY(70deg) rotateZ(0deg);
    }
    100%{
        transform: rotateY(70deg) rotateZ(360deg);
    }
}
.line-2{
 --color:#0fff;
   width: 100%;
   height: 100%;
   border-radius: 50%;
   border-right: 10px solid var(--color);
   border-left: 10px solid var(--color);
   animation: line2 3s linear infinite;
   filter: drop-shadow(0 0 10px var(--color));

 

}
@keyframes line2{
    0%{
        transform: rotateX(80deg) rotateY(25deg) rotateZ(0deg);
    }
    100%{
        transform: rotateX(80deg) rotateY(25deg) rotateZ(360deg);
    }
}
.line-3{
 --color:#c096ff;

    width: 100%;
    height: 100%;
    border-radius: 50%;
    border-right: 10px solid var(--color);
    border-left: 10px solid var(--color);
    animation: line3 3s linear infinite;
    filter: drop-shadow(0 0 10px var(--color));

}
@keyframes line3{
    0%{
        transform: rotateX(-80deg) rotateY(25deg) rotateZ(0deg);
    }
    100%{
        transform: rotateX(-80deg) rotateY(25deg) rotateZ(360deg);
    }
}