Testing an issue with transitions on computed properties

At time of writing both of the buttons below have the same effect, but I thought I'd better test a couple of variants just in case one worked.

Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface. Here is a really long paragraph that should reach the right hand side of the browser window, and wrap onto subsequent lines. If it doesn't, you must have a ludicrously huge monitor, or be using a very tiny typeface.