Icon, in a broad sense, refers to all indications, in Chinese generally refers to the image on the desktop of a computer screen used to instruct the user to perform various operations, as an important auxiliary for character display (this paragraph comes from Wikipedia). Visible icons play a large role in our design.
In the eyes of web developers, using the right icons is crucial. If the company does not have a professional designer, developers can learn from many open source icon libraries, such as iconfont, fontawesome .. .
Here is how to properly use