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