Background Properties background-origin Specifies the positioning area of background images. padding-box: Positions background relative to padding edge (default) border-box: Positions background relative to border edge content-box: Positions background relative to content edge background-clip Define...
When using percentage values for margin or padding in CSS, the calculation reference is consistently the width of the parent container, regardless of whether the property affects horizontal or vertical spacing. This behavior applies to all directional properties including margin-top, margin-bottom,...
Why margin: auto Fails Vertically Applying margin: auto to a block-level element distributes the remaining available space equally on both sides. While this works horizontally because block elements consume the full width of their container, vertical remaining space does not exist by default. Thus,...
Overview 1) What is BFC? BFC stands for Block Forrmatting Context. It is an independent rendering area where only block-level boxes participate, and it defines how these boxes are laid out inside. This region is completely isolated from the outside context. A BFC is an independent layout environment...