Craigslist allows a limited amount of HTML in ... you use the "Bold" tag to change a line of text to bold style, the font size stays the same. If you want to bold the text and make it larger ...

Change the size of text in your Tumblr posts by using HTML tags. You can change the ... You can use the "bold" tag to make text stand out. Type "" at the beginning of the text you want to make ...