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