Does the browser support CSS user in the required amount?

Modernizr is a small, simple JavaScript library that can help you answer the question of whether the user's browser supports technologies such as:

• HTML5
• Canvas
• rgba ()
• hsla ()
• border-image
• border-radius
• box-shadow
• Multiple Background Images
• Transparency
• CSS animation
• Columns
• Gradients
• Reflections
• CSS transformation
• CSS transitions

Would you like to simplify the layout, knowing that the user's browser supports CSS features, such as multiple background images? With Modernizr this is easy to achieve! The syntax is very clear:

body.multiplebgs div p {
/* properties for browsers that
support multiple backgrounds */
}
body.no-multiplebgs div p {
/* optional fallback properties
for browsers that don't */
}