CSS3 has introduced mainly Two types of user interface that has been described as follows:
1. resize : The resize is a such property of User Interface, by which you can resize your div layout on your browser. Three features of resize you can use
i. resize:both
ii. resize:vertical
iii. resize:horizontal.
2. outline-offset : The outline-offset is such property of the CSS3 User Interface, which can be used to define the space between the element's border and its outline.
