line-height 设置为 1

https://stackoverflow.com/questions/1000398/what-is-line-height1

 

 

If no unit is supplied e.g. "line-height: 1.5" the distance between the lines is set as this number multiplied with the current font size.

1.5 x font-size

转载于:https://www.cnblogs.com/ygm900/p/10444149.html