Question

How much horizontal space ("width") will this div use?

div{
width:50px;
padding: 10px;
margin: 5px;
border: 2px;
}

Answer 1

The div will use a total horizontal width of 72px, which includes the base width, padding on both sides, and a default 1px border on each side.

The question refers to the total horizontal space a div will use with given CSS properties. The width is explicitly set to 50px. Padding of 10px is applied on all sides, effectively adding 20px to the total width (10px on the left and 10px on the right). The border is set without a specified width, but for the purpose of calculations, we typically use a default of 1px for 'border' when no width is given, resulting in an additional 2px to the width (1px left border + 1px right border). Lastly, margin is outside of the div's box and does not contribute to its width, so margins are not added to the width calculation.

In summary, the horizontal space used by the div is calculated as follows:

• Base width: 50px
• Left padding: 10px
• Right padding: 10px
• Left border: 1px
• Right border: 1px

Adding these together: 50px + 10px + 10px + 1px + 1px = 72px total horizontal space.