how to change the fonts style to write a css code in subline

I am a student of study how to developed I the simple word I study to make a website on subline but I recently visited a website Ezee Fonts in which I see the very pretty fonts style to see these type of font I have a question is that can I want to write a code in my favorite style please let as a check and let me how I can do this

It’s not tht simple - adding fonts can be done using CSS but if it will work depends on the license, if the font is web friendly, the browsers you are using, and more…