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