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