:root{--yellow:#F2BA37;--black:#000000;--white:#FFFFFF}body{background:var(--yellow);color:var(--black);font-family:Arial,Helvetica,sans-serif;position:relative;margin:10px}h1,h2,h3,h4,h5,h6{margin:0;padding:0}button,label{-webkit-tap-highlight-color:rgba(0,0,0,0)}button{cursor:pointer;border:none}