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