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