.math-images{align-items:center;display:flex}.math-images .number,.math-images .symbol{align-items:center;background-color:#f0f0f0;border:2px solid #000;border-radius:10px;display:flex;font-size:24px;font-weight:700;height:40px;justify-content:center;margin-right:5px;width:40px}.math-images .symbol{background-color:#d0d0d0}