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