[URL]그라디언트 생성하기

http://gradients.glrzad.com/
 background:    #CCCCCC ;
 background-image: linear-gradient(top, #CCCCCC 0%, #666666 100%);
 background-image: -o-linear-gradient(top, #CCCCCC 0%, #666666 100%);
 background-image: -moz-linear-gradient(top, #CCCCCC 0%, #666666 100%);
 background-image: -ms-linear-gradient(top, #CCCCCC 0%, #666666 100%);
 background-image: -webkit-gradient(linear, left top,left bottom,color-stop(0, #CCCCCC), color-stop(1, #666666)); 
: Desktop일경우 filter추가
 filter: progid:DXImageTransform.Microsoft.Gradient(gradientType=0, StartColorStr=#CCCCCC,  EndColorStr=#666666);/* ie브라우져를 위한 필터 */

http://w3schools.com/