.l-wrapper {
    position: absolute;
    width: 480px;
    height: 300px;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    text-align: center;
}

svg {
    height: 35px;
    width: 35px;
    margin: 0;
    overflow: visible;
}

.g-circles {
    -webkit-transform: scale(0.9) translate(7px, 7px);
    -ms-transform: scale(0.9) translate(7px, 7px);
    transform: scale(0.9) translate(7px, 7px);
}

circle {
    fill: dodgerblue;
    fill-opacity: 0;
    -webkit-animation: opacity 1.2s linear infinite;
    animation: opacity 1.2s linear infinite;
}

    circle:nth-child(12n + 1) {
        -webkit-animation-delay: -0.1s;
        animation-delay: -0.1s;
    }

    circle:nth-child(12n + 2) {
        -webkit-animation-delay: -0.2s;
        animation-delay: -0.2s;
    }

    circle:nth-child(12n + 3) {
        -webkit-animation-delay: -0.3s;
        animation-delay: -0.3s;
    }

    circle:nth-child(12n + 4) {
        -webkit-animation-delay: -0.4s;
        animation-delay: -0.4s;
    }

    circle:nth-child(12n + 5) {
        -webkit-animation-delay: -0.5s;
        animation-delay: -0.5s;
    }

    circle:nth-child(12n + 6) {
        -webkit-animation-delay: -0.6s;
        animation-delay: -0.6s;
    }

    circle:nth-child(12n + 7) {
        -webkit-animation-delay: -0.7s;
        animation-delay: -0.7s;
    }

    circle:nth-child(12n + 8) {
        -webkit-animation-delay: -0.8s;
        animation-delay: -0.8s;
    }

    circle:nth-child(12n + 9) {
        -webkit-animation-delay: -0.9s;
        animation-delay: -0.9s;
    }

    circle:nth-child(12n + 10) {
        -webkit-animation-delay: -1s;
        animation-delay: -1s;
    }

    circle:nth-child(12n + 11) {
        -webkit-animation-delay: -1.1s;
        animation-delay: -1.1s;
    }

    circle:nth-child(12n + 12) {
        -webkit-animation-delay: -1.2s;
        animation-delay: -1.2s;
    }

.g-circles--v2 circle {
    fill-opacity: 0;
    stroke-opacity: 0;
    stroke-width: 1;
    stroke: yellowgreen;
    -webkit-animation-name: opacity-stroke, colors, colors-stroke, transform-2;
    animation-name: opacity-stroke, colors, colors-stroke, transform-2;
}

.g-circles--v3 circle {
    fill-opacity: 1;
    -webkit-animation-name: opacity, colors;
    animation-name: opacity, colors;
}

.g-circles--v4 circle {
    fill-opacity: 1;
    fill: orange;
    -webkit-transform-origin: 60px 60px;
    -ms-transform-origin: 60px 60px;
    transform-origin: 60px 60px;
    -webkit-animation-name: opacity, colors-3, transform;
    animation-name: opacity, colors-3, transform;
}

@-webkit-keyframes opacity {
    3% {
        fill-opacity: 1;
    }

    75% {
        fill-opacity: 0;
    }
}

@keyframes opacity {
    3% {
        fill-opacity: 1;
    }

    75% {
        fill-opacity: 0;
    }
}

@-webkit-keyframes opacity-stroke {
    10% {
        stroke-opacity: 1;
    }

    85% {
        stroke-opacity: 0;
    }
}

@keyframes opacity-stroke {
    10% {
        stroke-opacity: 1;
    }

    85% {
        stroke-opacity: 0;
    }
}

@-webkit-keyframes colors {
    0% {
        fill: yellowgreen;
    }

    10% {
        fill: gold;
    }

    75% {
        fill: crimson;
    }
}

@keyframes colors {
    0% {
        fill: yellowgreen;
    }

    10% {
        fill: gold;
    }

    75% {
        fill: crimson;
    }
}

@-webkit-keyframes colors-stroke {
    0% {
        stroke: yellowgreen;
    }

    10% {
        stroke: gold;
    }

    75% {
        stroke: crimson;
    }
}

@keyframes colors-stroke {
    0% {
        stroke: yellowgreen;
    }

    10% {
        stroke: gold;
    }

    75% {
        stroke: crimson;
    }
}

@-webkit-keyframes colors-2 {
    0% {
        fill: yellow;
    }

    50% {
        fill: red;
    }

    65% {
        fill: orangered;
    }

    95% {
        fill: gold;
    }
}

@keyframes colors-2 {
    0% {
        fill: yellow;
    }

    50% {
        fill: red;
    }

    65% {
        fill: orangered;
    }

    95% {
        fill: gold;
    }
}

@-webkit-keyframes colors-3 {
    0% {
        fill: yellowgreen;
    }

    50% {
        fill: turquoise;
    }

    65% {
        fill: yellow;
    }

    95% {
        fill: orange;
    }
}

@keyframes colors-3 {
    0% {
        fill: yellowgreen;
    }

    50% {
        fill: turquoise;
    }

    65% {
        fill: yellow;
    }

    95% {
        fill: orange;
    }
}

@-webkit-keyframes transform {
    10% {
        -webkit-transform: scale(0.75);
        transform: scale(0.75);
    }
}

@keyframes transform {
    10% {
        -webkit-transform: scale(0.75);
        transform: scale(0.75);
    }
}

@-webkit-keyframes transform-2 {
    40% {
        -webkit-transform: scale(0.85);
        transform: scale(0.85);
    }

    60% {
        stroke-width: 20;
    }
}

@keyframes transform-2 {
    40% {
        -webkit-transform: scale(0.85);
        transform: scale(0.85);
    }

    60% {
        stroke-width: 20;
    }
}