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