How to work and gain more money with only html and css?

Answer 1

To make money with only html and CSS, you have to learn about animations and various other things in it.
You can host a website or a YouTube channel where you can teach people about HTML & CSS but the most important things is that you should work hard and make you project attractive so that if other by mistake saw your YouTube video He/She without thinking should start watching your videos

Answer 2

You need to dedicate your time and energy into making websites
First try advertising your webpages online at many sites

Answer 3

Make your own site
Make it famous
Accept adds
Make money