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