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