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