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