http://www.colorzilla.com/gradient-editor/
http://www.css3.me
http://css3generator.com/
Kôd:
background: #ffffff; /* Old browsers */
background: -moz-linear-gradient(left, #ffffff 0%, #efefef 100%); /* FF3.6+ */
background: -webkit-gradient(linear, left top, right top, color-stop(0%,#ffffff), color-stop(100%,#efefef)); /* Chrome,Safari4+ */
background: -webkit-linear-gradient(left, #ffffff 0%,#efefef 100%); /* Chrome10+,Safari5.1+ */
background: -o-linear-gradient(left, #ffffff 0%,#efefef 100%); /* Opera 11.10+ */
background: -ms-linear-gradient(left, #ffffff 0%,#efefef 100%); /* IE10+ */
background: linear-gradient(left, #ffffff 0%,#efefef 100%); /* W3C */
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#efefef',GradientType=1 ); /* IE6-9 */