Element block pseudo-class :active generated with outline none display block float none line-height normal opacity 1.00 status overflow hidden width 24px position relative z-index auto box-sizing content-box border 0px rgba(0,0,0,1) solid background font-weight normal cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto font-size 0px border-radius margin 20px transition padding 4px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform