Check out example codes for "gradient background css for all browsers". It will help you in understanding the concepts better.

Code Example 1

background-image: -webkit-linear-gradient(top, #0C93C0, #FFF); 
background-image:    -moz-linear-gradient(top, #0C93C0, #FFF); 
background-image:     -ms-linear-gradient(top, #0C93C0, #FFF); 
background-image:      -o-linear-gradient(top, #0C93C0, #FFF); 
background-image:         linear-gradient(top, #0C93C0, #FFF);

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