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