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