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