Hello, I followed other questions about this topic but I cannot completely solve my problem. I would like to change the color of these things:

• border and shadow of the calendar (it's blue and I want to be grey)
• color of date when the mouse it's over it (it's blue and I want it to be black)
• color and background color of the time when selected (the background is green and I want it to be white, while the color is white and I want it to be black)

Thank you very much!