JSFiddle - React, Tailwind, and code Playground

HTML

<div class="col">
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
</div>
<div class="col">
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
</div>
<div class="col">
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell blue"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
</div>
<div class="col">
    <div class="cell red"></div>
    <div class="cell red"></div>
    <div class="cell red"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
</div>
<div class="col">
    <div class="cell red"></div>
    <div class="cell red"></div>
    <div class="cell red"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell yellow"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
    <div class="cell green"></div>
</div>

CSS

.col{
    float: left;
    width: 80px;
    padding: 0 4px;
}
.cell{
    height: 10px;
    margin: 4px 0;
    border-radius: 8px
}
.cell.yellow.show{
    background: yellow;
}
.cell.green.show{
    background: green;
}
.cell.red.show{
    background: red;
}

JavaScript

function getRandomNumber(){
    return(Math.floor(Math.random()*10));
}

setInterval(function(){
    $(".col").each(function(){
        var maxLimit = getRandomNumber();
        $(this).find('.cell').each(function(index){
            if(index < maxLimit)
                $(this).removeClass('show');
            else
                $(this).addClass('show');
        });
    });
}, 100)