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