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