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