body { font-family: sans-serif; padding: 20px; line-height: 1.6; }
.container { max-width: 600px; margin: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
form { background: #f4f4f4; padding: 15px; border-radius: 5px; }
input, button { display: block; width: 100%; margin-bottom: 10px; padding: 10px; }