Don't use the CSS media query hover

Please do not use the media query hover as some laptops have a touchscreen.

My peripheral devices are connected to a 15" Lenovo convertible laptop with a touchscreen and so I'm working with my keyboard, mouse and 27" monitor. Here my browsers FF, Chrome and Opera have the media query hover:none although I'm able to hover.

Took me a long time to figure out that I can not see the user reaction tooltips on github anymore because of this rule:

PHP Code:

---

@media (hover:none) {
 .tooltipped:hover:after,
 .tooltipped:hover:before {
  display: none;
 }
} 


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