* { box-sizing: border-box; }
body { font-family: Arial, sans-serif; background-color: #f4f4f9; margin: 0; padding: 20px; }
.container { max-width: 800px; margin: auto; background: white; padding: 20px; border-radius: 8px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
h1, h2 { color: #333; }
input, textarea, select { width: 100%; padding: 10px; margin-bottom: 10px; border: 1px solid #ccc; border-radius: 4px; }
button { background: #007bff; color: white; border: none; padding: 10px 15px; border-radius: 4px; cursor: pointer; }
button:hover { background: #0056b3; }
.question-block { border: 1px solid #ddd; padding: 15px; border-radius: 8px; margin-bottom: 15px; background: #fafafa; }