Can the use of CSS hinder the visualization of webpage content during rendering by the browser?

Yes, CSS can interfere with the visualization of webpage content. For example, if elements are assigned the property display: none or visibility: hidden, these elements will not be displayed on the page, although they are present in the DOM. Also, using opacity: 0 will make an element invisible, but it will remain on the page and occupy space.

Furthermore, incorrect use of CSS, such as absolute positioning that goes outside the visible area, can result in content not being visible to the user. Thus, CSS directly affects visualization and can completely hide or alter the display of elements on the page.