JSFiddle - React, Tailwind, and code Playground

HTML

<div id="bubbles">
        <div class="bubble x1"></div>
        <div class="bubble x2"></div>
        <div class="bubble x3"></div>
        <div class="bubble x4"></div>
        <div class="bubble x5"></div>
</div>

CSS

html,
body,
#bubbles { height: 100% }
body { overflow: hidden }
#bubbles { padding: 100px 0 }
.bubble {
    width: 60px;
    height: 60px;
    background: #ffb200;
    border-radius: 200px;
    -moz-border-radius: 200px;
    -webkit-border-radius: 200px;
    position: absolute;
}

.x1 {
    -webkit-transform: scale(0.9);
    -moz-transform: scale(0.9);
    transform: scale(0.9);
    opacity: 0.2;
    -webkit-animation: moveclouds 15s linear infinite, sideWays 4s ease-in-out infinite alternate;
    -moz-animation: moveclouds 15s linear infinite, sideWays 4s ease-in-out infinite alternate;
    -o-animation: moveclouds 15s linear infinite, sideWays 4s ease-in-out infinite alternate;
}

.x2 {
    left: 200px;
    -webkit-transform: scale(0.6);
    -moz-transform: scale(0.6);
    transform: scale(0.6);
    opacity: 0.5;
    -webkit-animation: moveclouds 25s linear infinite, sideWays 5s ease-in-out infinite alternate;
    -moz-animation: moveclouds 25s linear infinite, sideWays 5s ease-in-out infinite alternate;
    -o-animation: moveclouds 25s linear infinite, sideWays 5s ease-in-out infinite alternate;
}
.x3 {
    left: 350px;
    -webkit-transform: scale(0.8);
    -moz-transform: scale(0.8);
    transform: scale(0.8);
    opacity: 0.3;
    -webkit-animation: moveclouds 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
    -moz-animation: moveclouds 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
    -o-animation: moveclouds 20s linear infinite, sideWays 4s ease-in-out infinite alternate;
}
.x4 {
    left: 470px;
    -webkit-transform: scale(0.75);
    -moz-transform: scale(0.75);
    transform: scale(0.75);
    opacity: 0.35;
    -webkit-animation: moveclouds 18s linear infinite, sideWays 2s ease-in-out infinite alternate;
    -moz-animation: moveclouds 18s linear infinite, sideWays 2s ease-in-out infinite alternate;
    -o-animation: moveclouds 18s linear infinite, sideWays 2s ease-in-out infinite alternate;
}
.x5 {
    left: 150px;
...