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