CSS常用边框

常用边框

border: solid 1px black

1像素的黑色边框

某一边的边框

border-top: solid 1px black
border-right: solid 1px black
border-bottom: solid 1px black
border-left: solid 1px black

上边框、右边框、下边框、做边框

透明边框

border: solid 1px rgba(206,35,35,0.1)
border: solid 1px rgba(206,35,35,0.4)

透明度0.1，透明度0.4

实线、虚线边框

border: solid 1px black
border: dashed  1px black

Demo演示

Demo演示和调试