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