JSFiddle - React, Tailwind, and code Playground

HTML

<div class="rect"></div>
<div class="left"></div>
<div class="right"></div>
<div class="cover"></div>
<div class="gear"></div>
<div class="gear2"></div>
<div class="gear3"></div>

CSS

.rect {
    height: 120px;
    width: 401px;
    border-radius: 58px;
    position: relative;
}
.rect:before, .rect:after {
    content: '';
    position: absolute;
    left: 40px; /*50-half width*/
    height: 10px;
    width: 20px;
    box-shadow: 43px 0 0 0 gold, 86px 0 0 0 gold, 129px 0 0 0 gold, 172px 0 0 0 gold, 215px 0 0 0 gold, 258px 0 0 0 gold, 301px 0 0 0 gold, 344px 0 0 0 gold; /*keep adding 43 to x-axis*/
    -webkit-animation: translate 0.3s linear infinite;
    -moz-animation: translate 0.3s linear infinite;
    animation: translate 0.3s linear infinite;
    overflow: hidden;
}
.rect:before {top: 0px;}
.rect:after {
    bottom: 0px;
    -webkit-animation-direction: reverse;
    -moz-animation-direction: reverse;
    animation-direction: reverse;
}
@-webkit-keyframes translate {
    0% {-webkit-transform: translatex(0px);}
    100% {-webkit-transform: translateX(-43px);}
}
@-moz-keyframes translate {
    0% {-moz-transform: translatex(0px);}
    100% {-moz-transform: translateX(-43px);}
}
@keyframes translate {
    0% {transform: translatex(0px);}
    100% {transform: translateX(-43px);}
}
.left, .right {
    position: relative;
    height: 100px;
    width: 100px;
    border-radius: 50px;
    -webkit-animation: rotate 2.4s linear infinite;
    -moz-animation: rotate 2.4s linear infinite;
    animation: rotate 2.4s linear infinite;
}
.left {
    top: -110px; left: 0px;
}
.right {
    top: -210px; left: 344px;
}
.left:before, .left:after, .right:before, .right:after {
    height: 20px;
    width: 20px;
    content: '';
    position: absolute;
    background: gold;
}
.left:before, .right:before {
    box-shadow: 50px 50px 0 0 gold, -50px 50px 0 0 gold, 0 100px 0 0 gold;
    top: -10px;
    left: 40px;
}
.left:after, .right:after {
    transform: rotate(45deg);
    top: 5px;
    left: 76px;
    box-shadow: 0px 100px 0 0 gold, 50px 50px 0 0 gold, -50px 50px 0 0 gold;
}
@-webkit-keyframes rotate {
    0% {-webkit-transform: rotate(0deg);}
    100%...