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