The video tutorial covers the concepts of clipping and overflow properties in CSS. It begins with an introduction to clipping, explaining how to control content visibility by masking or hiding elements. The tutorial then delves into the overflow property, discussing its various settings like hidden, scroll, and auto, and their effects on content visibility. Finally, the clip property is explored, focusing on its application with absolute or fixed positioning and the use of rectangles for clipping content.

What new insight or understanding did you gain from this video?