Element block pseudo-element :after generated with overflow visible border-radius transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid height auto float none margin 0px z-index auto line-height 1 transition padding 20px width 160px background font-size 16px box-sizing content-box font-weight normal position absolute display inline-block box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default opacity 0.91