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