.container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;font-family:Arial,sans-serif}h1{margin-bottom:20px}.controls{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:20px;width:100%;max-width:500px}.control-line{display:flex;flex-direction:row;gap:20px;align-items:flex-start}.control-item{display:flex;flex-direction:column;align-items:flex-start}.control-item label{margin-bottom:5px}input[type=range],input[type=number],.full_width{width:100%}button{padding:10px 20px;font-size:16px;cursor:pointer;border:none;background-color:#007bff;color:#fff;border-radius:5px}button:hover{background-color:#0056b3}