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