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