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