好好学习，天天向上！！！
What does the width of the border mean? -PHP Chinese website Q&A-What does the width of the border mean? -PHP Chinese website Q&A
Please watch and learn.
当我们设置边框线的时候，边框线的粗细即为边框的宽度!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What does the width of the border mean? -PHP Chinese website Q&A-What does the width of the border mean? -PHP Chinese website Q&A
Please watch and learn.
当我们设置边框线的时候，边框线的粗细即为边框的宽度!