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