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