.lightrope {
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    position: absolute;
    z-index: 10000;
    margin: -15px 0 0 0;
    padding: 0;
    pointer-events: none;
    width: 100%
}

.lightrope li {
    position: relative;
    animation-fill-mode: both;
    animation-iteration-count: infinite;
    list-style: none;
    margin: 0;
    padding: 0;
    display: block;
    width: 12px;
    height: 28px;
    border-radius: 50%;
    margin: 20px;
    display: inline-block;
    background: #00f7a5;
    box-shadow: 0 4.66667px 24px 3px #00f7a5;
    animation-name: flash-1;
    animation-duration: 2s
}

.lightrope li:nth-child(2n+1) {
    background: cyan;
    box-shadow: 0 4.66667px 24px 3px rgba(0, 255, 255, .5);
    animation-name: flash-2;
    animation-duration: .4s
}

.lightrope li:nth-child(4n+2) {
    background: #f70094;
    box-shadow: 0 4.66667px 24px 3px #f70094;
    animation-name: flash-3;
    animation-duration: 1.1s
}

.lightrope li:nth-child(odd) {
    animation-duration: 1.8s
}

.lightrope li:nth-child(3n+1) {
    animation-duration: 1.4s
}

.lightrope li:before {
    content: "";
    position: absolute;
    background: #222;
    width: 10px;
    height: 9.33333px;
    border-radius: 3px;
    top: -4.66667px;
    left: 1px
}

.lightrope li:after {
    content: "";
    top: -14px;
    left: 9px;
    position: absolute;
    width: 52px;
    height: 18.66667px;
    border-bottom: solid #222 2px;
    border-radius: 50%
}

.lightrope li:last-child:after {
    content: none
}

.lightrope li:first-child {
    margin-left: -40px
}

@keyframes flash-1 {

    0%,
    100% {
        background: #00f7a5;
        box-shadow: 0 4.66667px 24px 3px #00f7a5
    }

    50% {
        background: rgba(0, 247, 165, .4);
        box-shadow: 0 4.66667px 24px 3px rgba(0, 247, 165, .2)
    }
}

@keyframes flash-2 {

    0%,
    100% {
        background: cyan;
        box-shadow: 0 4.66667px 24px 3px cyan
    }

    50% {
        background: rgba(0, 255, 255, .4);
        box-shadow: 0 4.66667px 24px 3px rgba(0, 255, 255, .2)
    }
}

@keyframes flash-3 {

    0%,
    100% {
        background: #f70094;
        box-shadow: 0 4.66667px 24px 3px #f70094
    }

    50% {
        background: rgba(247, 0, 148, .4);
        box-shadow: 0 4.66667px 24px 3px rgba(247, 0, 148, .2)
    }
}
