Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid display block box-sizing content-box font-size 12px text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform background z-index auto line-height 1 font-weight normal overflow hidden float none position static border-radius padding 20px height auto width 160px opacity 1 outline none cursor default transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px