CSS3 圆角

#rcorners1 { border-radius: 25px; background: #8AC007; padding: 20px; width: 200px; height: 150px; } #rcorners2 { border-radius: 25px; border: 2px solid #8AC007; padding: 20px; width: 200px; height: 150px; } #rcorners3 { border-radius: 25px; background: url(/images/paper.gif); background-position: l