.highlight{
    width: 50%;
    top: 40vh;
    display: block;
    z-index: -1;
    position: absolute;
    height: calc(100% - 60vh);
    background: white;
    border-radius: 100%;
    filter: blur(100px);
    opacity: 0.5;
}

.circles-display-fix{
    width: 100%;
    height: 120vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.background{
    position: fixed;
    z-index: -1;
    width: 100vw;
    height: 100vh;
    transition: 0s;
}

.background img{
    width: 100%;
    height: 100%;
}