Gesture to hide rising notification in MacBook?
These steps were tested using macOS Big Sur 11.2.1.
To dismiss an alert-style notification without clicking the little &quot;x&quot;, you can utilize the following options:

If you're using a trackpad, hover your cursor over the alert-style notification then swipe right using two fingers.

If you're using a mouse, hover your cursor over the alert-style notification then click and drag the notification to the right.