问题
Can I hide this?
I'm having a poor user experience debugging my app in Safari (I decided to not use Chrome because it seems to demand more CPU). This bar takes up SOOO much screen real estate and almost forces me to dock the devtools on thee side. But as I said earlier can I hide this?
来源：https://stackoverflow.com/questions/37221419/in-safaris-responsive-design-mode-can-you-hide-all-of-the-device-options-on-t