Element block pseudo-class :active generated with z-index auto transform border 0px rgba(0,0,0,1) solid border-radius font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box overflow hidden height auto display block box-shadow 1px 1px 0px rgba(0,0,0,0.5) transition width 160px background position static float none padding 20px cursor default line-height 1 margin 0px font-size 16px