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