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