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