#i1s5{background-color:#cfcdcd;}#imhi{padding-top:20px;padding-bottom:20px;}body{font-family:Arial, sans-serif;background:#111;color:#fff;padding:20px;}h1, h2{text-align:center;}.container{max-width:1200px;margin:auto;}input, button{padding:10px;margin:5px;border:none;border-radius:5px;}button{background:#ff9800;color:#fff;cursor:pointer;font-weight:bold;}button:hover{background:#e68a00;}.matrix{display:grid;grid-template-columns:1fr 1fr 2fr;gap:10px;margin-top:20px;}.header{font-weight:bold;background:rgba(255,255,255,0.2);padding:10px;text-align:center;}.cell{padding:10px;border-bottom:1px solid rgba(255,255,255,0.2);}.symbol{font-size:1.3em;}#longformOutput{white-space:pre-wrap;margin-top:20px;}