body { margin: 0; font-family: Arial, sans-serif; background: #f2f2f2; }
header { text-align: center; padding: 10px; background-color: #222; color: white; }
.logo { height: 50px; vertical-align: middle; margin-right: 10px; }
h1 { display: inline-block; vertical-align: middle; }
.controls { text-align: center; margin-top: 10px; }
button { background-color: #ff6600; color: white; padding: 10px 15px; border: none; border-radius: 5px; margin: 5px; cursor: pointer; }
button:hover { background-color: #e05500; }