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