试试这个演示
background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #98bff0), color-stop(1, #5e8dc6) );
background:-moz-linear-gradient( center top, #98bff0 5%, #5e8dc6 100% );
filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#98bff0', endColorstr='#5e8dc6');
background: url('http://t1.gstatic.com/images?q=tbn:ANd9GcTjBC-ecGBr9x-QZ5Y7luNjiCNz3VuH1K7GeVu-rwabtLz_6QkrKVsUXfg') no-repeat center right;
background-color:#98bff0;
-moz-border-radius:3px;
-webkit-border-radius:3px;
border-radius:3px;
display:inline-block;
color:#ffffff;
font-family:arial;
font-size:12px;
font-weight:bold;
padding:6px 8px;
text-decoration:none;