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