HBO is horrible for me. Half the time I use the rewind feature on the web app the whole thing breaks so I have to refresh and of course it doesn't remember wher

HBO is horrible for me. Half the time I use the rewind feature on the web app the whole thing breaks so I have to refresh and of course it doesn't remember where I left off. Also I guess my screen is too big or something because the right half of it is just a blank column on some of the pages?