.background-container {
    position: absolute;
    height  : 100vh;
    width   : 100vw;
    top     : 0;
    left    : 0;
    z-index : -1;
}

.background-container>div {
    height          : 64px;
    width           : 64px;
    background-color: rgba(255, 255, 255, 0.03);
    border-radius   : 50%;

    position: absolute;
    height  : 128px;
    width   : 128px;
    left    : -64px;
    top     : -64px;
}

#blob-1 {
    animation: blob-1-anim 30s infinite ease-in-out;
}

#blob-2 {
    animation: blob-2-anim 30s infinite ease-in-out;
}

@keyframes blob-1-anim {
    0% {
        transform: scale(1);
    }

    25% {
        transform: scale(7);
    }

    50% {
        transform: scale(1);
    }

    75% {
        transform: scale(12);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes blob-2-anim {
    0% {
        transform: scale(2);
    }

    35% {
        transform: scale(12);
    }

    60% {
        transform: scale(10);
    }

    65% {
        transform: scale(12);
    }

    100% {
        transform: scale(2);
    }
}