The Network tab can tell you if Elle is being loaded or not. By checking this, you can find out if your Elle button is active. It still may not be working, but you can check one more thing off your list of possible causes.
Step 1: Open the Inspector
Right-click on any element of the page your examining.
Step 2: Select the Network tab
The Network tab is to the right of the Elements tab. You'll be presented with this image.
Step 3: Type 'Elle' into the Filter box
Type Elle into the Filter box. By doing this you'll only see what Elle is doing in the network.
Step 4: Hit command-R to see if Elle is active
Hit command-R to run the Network tab. If elle_button.js and elle_button.css come up then Elle is being loaded. If you don't see it, then it means Elle is not activated at all on your page.
If Elle is not loading, please check the code you installed Elle with and make sure it is correct. To find out how look at this article: