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