使用Bootstrap，我只能让文本像链接一样，而不是整个按钮？

I'm just learning how to use html and css and my teacher has asked us to use Bootstrap. It's really cool, obviously, but when I try to make a button, only the text within the button actually acts like a link as opposed to the whole rectangular button. I'm not sure if I need more than just the minified bootstrap javascript file to make them work or what.I'm just learning how to use html and css and m