#dividend-yield-form{max-width:400px;margin:0 auto;padding:20px;border:1px solid #ccc;border-radius:5px}#dividend-yield-form label{display:block;margin-bottom:5px}#dividend-yield-form input[type=text],#dividend-yield-form select{width:calc(100% - 12px);padding:5px;margin-bottom:10px}#dividend-yield-form button{display:block;width:100%;padding:10px;background-color:#4caf50;color:#fff;border:none;border-radius:5px;cursor:pointer}#dividend-yield-form button:hover{background-color:#45a049}#result-container{margin-top:10px}canvas#donut-chart{width:100px;height:100px;margin-top:20px}