.blobs {
    width: 300px;
    height: 300px;
    position: absolute;
    overflow: hidden;
    border-radius: 70px;
    transform-style: preserve-3d;
}

.blobs .blob-center {
    transform-style: preserve-3d;
    position: absolute;
    background: #1d1d1d;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    transform-origin: left top;
    transform: scale(0.9) translate(-50%, -50%);
    animation: blob-grow_2 linear 3.4s infinite;
    border-radius: 50%;
    box-shadow: 0 -10px 40px -5px #1d1d1d;
}

.blob {
    position: absolute;
    background: #1d1d1d;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    animation: blobs_2 ease-out 3.4s infinite;
    transform: scale(0.9) translate(-50%, -50%);
    transform-origin: center top;
    opacity: 0;
}

.blob:nth-child(1) {
    -webkit-animation-delay: 0.2s;
    animation-delay: 0.2s;
}

.blob:nth-child(2) {
    -webkit-animation-delay: 0.4s;
    animation-delay: 0.4s;
}

.blob:nth-child(3) {
    -webkit-animation-delay: 0.6s;
    animation-delay: 0.6s;
}

.blob:nth-child(4) {
    -webkit-animation-delay: 0.8s;
    animation-delay: 0.8s;
}

.blob:nth-child(5) {
    -webkit-animation-delay: 1s;
    animation-delay: 1s;
}

@keyframes blobs_2 {
    0% {
        opacity: 0;
        transform: scale(0) translate(calc(-330px - 50%), -50%);
    }

    1% {
        opacity: 1;
    }

    35%, 65% {
        opacity: 1;
        transform: scale(0.9) translate(-50%, -50%);
    }

    99% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: scale(0) translate(calc(330px - 50%), -50%);
    }
}

@keyframes blob-grow_2 {
    0%, 39% {
        transform: scale(0) translate(-50%, -50%);
    }

    40%, 42% {
        transform: scale(1, 0.9) translate(-50%, -50%);
    }

    43%, 44% {
        transform: scale(1.2, 1.1) translate(-50%, -50%);
    }

    45%, 46% {
        transform: scale(1.3, 1.2) translate(-50%, -50%);
    }

    47%, 48% {
        transform: scale(1.4, 1.3) translate(-50%, -50%);
    }

    52% {
        transform: scale(1.5, 1.4) translate(-50%, -50%);
    }

    54% {
        transform: scale(1.7, 1.6) translate(-50%, -50%);
    }

    58% {
        transform: scale(1.8, 1.7) translate(-50%, -50%);
    }

    68%, 70% {
        transform: scale(1.7, 1.5) translate(-50%, -50%);
    }

    78% {
        transform: scale(1.6, 1.4) translate(-50%, -50%);
    }

    80%, 81% {
        transform: scale(1.5, 1.4) translate(-50%, -50%);
    }

    82%, 83% {
        transform: scale(1.4, 1.3) translate(-50%, -50%);
    }

    84%, 85% {
        transform: scale(1.3, 1.2) translate(-50%, -50%);
    }

    86%, 87% {
        transform: scale(1.2, 1.1) translate(-50%, -50%);
    }

    90%, 91% {
        transform: scale(1, 0.9) translate(-50%, -50%);
    }

    92%, 100% {
        transform: scale(0) translate(-50%, -50%);
    }
}