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