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