Backgrounds and Borders

Windows Internet Explorer 9 introduced support for several new features of the CSS Backgrounds and Borders Module Level 3, including border-radius and box-shadow properties.Internet Explorer 9 also introduced support for the following new CSS3 properties:

Internet Explorer 9 also added functionality to the following existing CSS background and border properties:

background-color: Supports CSS3 Color.
background-image: Supports multiple values and SVG images.
background-repeat: Supports multiple values, plus the space and round values.
background-attachment: Supports multiple values, plus the local value.
background-position: Supports multiple values.
background: Updated for CSS3.
border-color: Supports CSS3 Color.