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