Cross-browser CSS3 gradient

CSS gradients supports major browsers: Firefox, Safari, Chrome and IE (surprise!).

Use below css property in your block element.

CSS3 linear gradient

 background-color: #6191bf; /* Fallback background color for non supported browsers */
  background-image: -webkit-gradient(linear, left top, left bottom, from(#81a8cb), to(#cde6f9));
  background-image: -webkit-linear-gradient(top, #81a8cb, #cde6f9);
  background-image: -moz-linear-gradient(top, #81a8cb, #cde6f9);
  background-image: -ms-linear-gradient(top, #81a8cb, #cde6f9);
  background-image: -o-linear-gradient(top, #81a8cb, #cde6f9);
  background-image: linear-gradient(top, #81a8cb, #cde6f9);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#81a8cb', EndColorStr='#cde6f9'); /* IE6–IE9 */

CSS3 radial gradient:

background: #6191bf; /* Fallback background color for non supported browsers */   
background-image: -moz-radial-gradient(center 45deg,circle cover, #cde6f9, #6191bf);
background-image: -webkit-gradient(radial, 50% 50%, 0, 50% 50%,800, from(#cde6f9), to(#6191bf));