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