Hi, I've been experimenting with gradients and buttons, and I want to have a button that switches between a set of gradients, but I am not sure how. Any ideas?

I have been looking at the temperature of my Macbook Air lately, and I notice that it is in the 110-130's even while performing simple tasks. Despite the seemingly high temperature, the CPU load is still below 20% when this happens, so it may be nothing, but I just want to make sure nothing is wrong

Hello! I am experimenting with multiple views in an app, and I realized that if I created more than 2 views, multiple back buttons would appear based on how many views were created (If 3 were created, the 2 would appear, one button going to one view and the other back button going to another view),so how do I fix this? Here is an image of the back buttons: And here is the code for the views: First View: Second View: Third View: