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