Here is the video of the gate. I had to turn the pen upside down.
Jasper loves the Martha Stewart mat we bought. He is always lying on it. We also cut up a outdoor cushion for a bed. A hard floor was too hard on him and any other covers risked getting his leg caught or tangled. The vet said they like mats so we tried to use them. When he really started to balance on the 4th leg, we added a couple of small pillows.