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