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