通过jquery应用了旋转变换后查找CSS元素位置（顶部和左侧）

I'm using .offset() to find the top and left properties. But due to a rotation (which I replicated in a test object at the exact same coordinates), it still does not match the position. Do I have to count the nr of degrees with the top and left properties? I'm using .offset() to find the top and left pr