Changing source code

Hello, i just learned html and css and i want to redesign someparts can u give me suggestion before i start or do you have any warnings for me

Hello,

you would edit a page or a post in the Visual Editor, like below.
https://postimg.cc/9r8LrnkW

The Visual Editor icons allow you to format text, insert lists and links, and more.
Now, how can you access this code in WordPress? Through switching from the Visual Editor to the Text Editor (you are still working with the Classic Editor).
https://postimg.cc/jLPjjp2f

For CSS Go to Theme Setting -> Custom CSS.

Best Regards.

[Author]

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