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