This is actually a Chrome setting, not a Blogger setting...
1. Chrome browser
2. Settings
3. Show Advanced Settings
4. Web Content: Customize Fonts
The caveat here is that, though it does set your default font & size in Blogger, it also changes it all over Google.
1. Chrome browser
2. Settings
3. Show Advanced Settings
4. Web Content: Customize Fonts
The caveat here is that, though it does set your default font & size in Blogger, it also changes it all over Google.