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