Element block pseudo-element :after generated with box-sizing content-box padding 20px width 160px line-height 1 box-shadow 1px 1px 1px rgba(0,0,0,0.3) border-radius font-weight normal overflow hidden z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px border 0px rgba(0,0,0,1) solid font-size 16px position static transform background cursor default display block float none height auto transition