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