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