CSS variables are entities that store specific values that can be reused throughout a website or application. The ease with which codes can be used throughout the website or application makes updating and styling them effortless and undemanding.
iFrame is HTML tags that allow you to embed another HTML document inside of your own. This can be useful for embedding things like videos, maps, or other types of media from third-party sites.
We'll discuss the CSS box model, the definitions of the margin and padding properties, when to use each one, and how, as well as the differences between them.