Reset the default browser style (CSS reset)

(1) Definition: First CSS reset refers to the default style of resetting the browser
(2) Role: Because there are many browsers now, and each browser has its own default style, which will cause a page in multiple browsers to show the difference, so we need to do some processing so that each browser display consistent, it requires CSS reset
(3) Content: The first one: *{padding:0;margin:0;border:0;} The second: The element you are using {padding:0;margin:0;border:0;}, while the first one is simple to write, but it resets all the tags, and we may not need to reset so many elements, wasting system resources, reducing performance, So just give yourself the page needs to reset the element reset the default style
(4) Defect: Not all tags have a default margin,padding,reset and even the following useful style has been killed, and on the mobile side and the computer has a bug

Reset the default browser style (CSS reset)