JSFiddle - React, Tailwind, and code Playground

HTML

<form id='test_submit'>
    <button type="submit" value="Next" id="btnSubmit" class="actButton">Problematic</button>
    <button type="submit" value="Next" id="btnSubmit">Not a Problem</button>
</form>

CSS

button { margin: 15px }
button.actButton  
{   min-width:50px;
    font-size:12px;
    display:inline-block;
    -moz-box-shadow:2px 2px 3px #888;
    -webkit-box-shadow:2px 2px 3px #888;
    border:1px solid #777 ; 
    font-weight:700; 
    color:#777; 
    margin-right:7px; 
    text-align:center; 
    border-radius:5px;
    -moz-border-radius:5px;
    -webkit-border-radius:5px;
    cursor:pointer;
    padding: 2px 9px 3px 9px;
}

button.actButton:active { position:relative;left:2px;top:2px; color:#777;}
button.actButton:focus { opacity:0.7; color:#CDE5F2; -moz-box-shadow:0 0 0;-webkit-box-shadow:0 0 0;box-shadow:0 0 0;}
button.actButton:hover { opacity:0.7; color:#555;}

JavaScript

$('#test_submit').submit(function() {
  alert('Handler for .submit() called.');
  return false;
});