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