利用百分比

1* {
2  box-sizing: border-box;
3}
4
5html, body, #app {
6  margin: 0;
7  padding: 0;
8  height: 100%
9}
10
11.wrapper {
12  min-height: 100%;
13}

We need to include selectors for every element that sits between the root html tag, and the element we want to stretch to 100% of the screen size.

利用 dvh