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