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