WebElement new actions
Niobium make easier the mouse action on a WebElement.
Click with offset
You can click to a specific location related to the top left corner of the element with the click_at(xoffset, yoffset) function.
driver.find_element(By.ID, "myelt").click_at(100, -100)
Move the cursor over the element
You can move the cursor to the center of the element with the move_to() function.
driver.find_element(By.ID, "myelt").move_to()
Move the cursor with offset
You can move the cursor to a specific location related to the top left corner of the element with the move_at(xoffset, yoffset) function.
driver.find_element(By.ID, "myelt").move_at(20, 20)