.circle {
    z-index: -1;
    position: absolute;


    display: inline-flex;
    content: '';
    background-color: var(--red);

    aspect-ratio: 1/1;
    border-radius: 100%;
}

#circle-1 {
    top: 850px;
    left: -50px;
    width: 50%;
    max-width: 400px;
}

#circle-2 {
    top: 1300px;
    right: -80px;
    width: 70%;
    max-width: 500px;
}

@media screen and (max-width:1000px) {
    #circle-2{
        right: 0px;
    }
}

#circle-3 {
    background-color: rgb(12, 255, 146);
    bottom: 0px;
    left: 0px;
    width: 15%;
    max-width: 500px;
}