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