Element block pseudo-class :active generated with padding 100% transform background position static border-radius box-sizing content-box transition font-size 600% display block opacity 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden outline none margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 float none z-index auto font-weight normal height auto width auto border 0px rgba(0,0,0,1) solid cursor default