Thanks for sharing your feedback, Charlie Chen.
We're working on any improvements to the QuickBooks Blog website to ensure that it'll suit your preference.
For now, we can adjust the font size and style through your browser settings. I'll share a few steps for Chrome. Here's how:
You can also press and hold the Ctrl key on your keyboard while scrolling down or up. This will change the font size without going to the settings.
The steps vary on every browser. Let us know if you're using a different one so we can provide another steps.
Have a great day!