K2 Image pop-up to have X close button

Hi

Is there a way of adding the X close button to the top right of the pop up image on K2 please, it is a little confusing that the way you close the pop up is by clicking outside of the image, especially when you have the Image Gallery module installed and they pop up with the X close botton to the top right (as pictured.

pop up main k2 image.png

image gallery module.png