CSS书写顺序

     1.位置属性(position, top, right, z-index, display, float等)
  2.大小(width, height, padding, margin)
  3.文字系列(font, line-height, letter-spacing, color- text-align等)
  4.背景(background, border等)
  5.其他(animation, transition等)

原文地址:https://www.cnblogs.com/zqiong/p/5265792.html