When they were designing the site both for computer and for mobile, that’s the best balance they could come up with.
Everyone will have a slightly different experience. Why?
Some people use PCs, some Macs. Some iPhones/iPads, some droid phones. Even among any of these devices, some will use Google Chrome, others Safari, while others will use Firefox or Internet Explorer, etc.
So there are so many variations these days with so many choices and so few standards. Then, there’s how you choose to have you browser settings: font size, zoom settings, etc. So, it is what it is at this point. In all of the testing, this combo fit the bulk of situations the best.
You can always change browsers and could choose one of your other devices when you view it, as a possible solution for you.
