JSFiddle - React, Tailwind, and code Playground

HTML

<div class="div">
   Animate Me!
</div>
<div class="nav">
    <div class="start">start</div>
    <div class="reset">reset</div>
</div>

CSS

.div {
    position: absolute;
    top: 150px;
    left: 50px;
    height: 100;
    width: 100;
    background-color: blue;
}

.start, .reset {
    display: table-cell;
    width:50%;
}

.start {
    background-color:green;
}

.reset{
    background-color:red;
}

}
.nav {
    position: absolute;
    width: 100%;
    top: 0;
    right: 0;
    left: 0;
    height: 60px;
}

JavaScript

$( '.start' ).click(function(){
    $('.div').animate({
        left: '+=' + 100});
});

$( '.reset' ).click(function(event){
event.stopImmediatePropagation()
    $('.div').animate({
        left: 50});
});