Height percentage doesn't seem to work

When using height: "100%", I expect it to stretch to the bottom of the parent div. However, passing a percentage doesn’t seem to do anything. Passing 100px or auto does work.

Playground: https://codepen.io/dagorbattle/pen/ExNgoqO

I expect the height of the editor to fill to the red border. When the content gets larger than the 100%, then it should overflow the .se-wrapper-inner

[JiHong88]

.sun-editor {
  height: 100%;
}
.sun-editor .se-wrapper {
  height: calc(100% - 94px - 16px); /* 100% - toolbar offsetHeight - bottom resizing bar offsetHeight */
}

[guido-visser]

Nice, thanks! That works. Still weird though that height: "100%" doesn’t do this. But this fixes the issue, so I’ll close this it.