Element block pseudo-element :after generated with float none box-shadow 0px 3px 1px rgba(0,0,0,0.3) box-sizing content-box font-size 16px background line-height 1 font-weight normal position static border-radius height auto transition opacity 1 margin 0px cursor default z-index auto outline none width 160px border 0px rgba(0,0,0,1) solid transform overflow hidden padding 20px display block text-shadow 1px 1px 2px rgba(0,0,0,0.5)