I want a to completely fill an absolutely-sized parent container, with padding in the textarea. I have this working for Chrome using the follow
Use Edit: To use With this change, width: 100%; height: 100%; to make the fill up the wrapping width: 100%; along with padding, you can change the box sizing model: width: 100%;
height: 100%;
box-sizing: border-box;
100% now refers to the distance between the outsides of the borders, instead of the distance between the outside of the content.