JSFiddle - React, Tailwind, and code Playground

HTML

<div class="scales">
    <div class="shoulders">
        <span class="rope"></span>
        <span class="rope"></span>
    </div>
    <div class="tripod"></div>
</div>

CSS

.scales {
    position: relative;
    margin: 50px;
    width: 200px;
    height: 200px;
}

.tripod,
.shoulders {
    position: absolute;
    width: 100%;
    height: 15px;
    margin-top: 40px;
    background: #333;
    border-radius: 5px;
    z-index: 5;
}
.shoulders::before {
    position: absolute;
    content: '';
    left: 50%;
    top: 50%;
    margin-top: -3px;
    margin-left: -3px;
    width: 6px;
    height: 6px;
    background: #fff;
    color: #f00;
    border-radius: 3px;
}
.tripod {
    margin-top: 50%;
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    transform: rotate(90deg);
    z-index: 0;
}

.rope {
    position: absolute;
    top: 0;
    margin-top: 10px;
    width: 10px;
    height: 50px;
    background: #333;
    -webkit-transform-origin: 50% 0;
    -moz-transform-origin: 50% 0;
    -o-transform-origin: 50% 0;
    -ms-transform-origin: 50% 0;
    transform-origin: 50% 0;
}

.rope:nth-of-type(1) {
    margin-left: 20px;
}

.rope:nth-of-type(2) {
    right: 0;
    margin-right: 20px;
}

.rope::after {
    position: absolute;
    top: 100%;
    margin-top: -10px;
    margin-left: -20px;
    content: '';
    width: 30px;
    height: 30px;
    border: 10px solid #060;
    border-radius: 50%;
}
.rope:first-child::after {
    border-color: #900;
}


/**/

.shoulders {
    -webkit-animation: swing 4s linear 0s infinite;
    -moz-animation: swing 4s linear 0s infinite;
    -o-animation: swing 4s linear 0s infinite;
    animation: swing 4s linear 0s infinite;
}
.rope {
    -webkit-animation: antiswing 4s linear 0s infinite;
    -moz-animation: antiswing 4s linear 0s infinite;
    -o-animation: antiswing 4s linear 0s infinite;
    animation: antiswing 4s linear 0s infinite;
}
@-webkit-keyframes swing {
    0% {
        -webkit-transform: rotate(0deg);
    }
    25% {
        -webkit-transform: rotate(45deg);
    }
    75% {
        -webkit-transform: rotate(-45deg);
    }
    100% {
       ...