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 box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default width 160px background transform display block margin 0px float none font-size 16px z-index auto box-sizing content-box padding 20px font-weight normal position static border-radius overflow hidden height auto transition