火狐浏览器: background:-moz-linear-gradient(top, red, rgba(0, 0, 255, 0.5)); 谷歌: .l6{background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#FF0000), to(#F9F900)); } 谷歌10+ .l7{background: -webkit-gradient(linear, left top, right top, color-stop(0%,#30…