"Hi,   I found out the problem. The .gif image would not show if it's state has been altered. I've added a letter on top of the normal s..."

"Hi,   I've read from a similar post that gif images would only be shown if they are at their original sizes. I tried inserting anew ima..."

"Shuffling the answers on freeform exercises are still unstable in html5. I can't provide you with the storyline file as it is not my pro..."