A. Set the margin equally on top and bottom of the element
B. Set the margin equally on left and right of the element
C. Set the margin equally on all sides of the element.
D. It is uncertain what will happen
Correct Answer is :
B. Set the margin equally on left and right of the element
Explanation
In CSS (Cascading Style Sheets), the margin:auto property is used to center an element horizontally within its containing element. When you apply margin:auto to an element, it sets the left and right margins to automatic, causing the element to be horizontally centered.