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