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