body { font-family: Arial, sans-serif; margin: 20px; background: #f0f0f0; }
h1 { color: #333; }
form { margin: 20px 0; }
input[type="tel"] { padding: 5px; margin: 5px 0; }
button { padding: 5px 10px; margin: 5px; background: #007BFF; color: white; border: none; cursor: pointer; }
button:hover { background: #0056b3; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { border: 1px solid #ddd; padding: 8px; text-align: left; }
th { background: #007BFF; color: white; }