 Fix #2362 change-state install button removes hover, active and focus styles.
 Fix #2362 change-state install button removes hover, active and focus styles.

mathjazz/testpilot,lmorchard/testpilot,flodolo/testpilot,mozilla/idea-town-server,lmorchard/testpilot,meandavejustice/testpilot,flodolo/testpilot,fzzzy/testpilot,chuckharmston/testpilot,chuckharmston/testpilot,flodolo/testpilot,lmorchard/idea-town,lmorchard/testpilot,mozilla/idea-town-server,lmorchard/idea-town,chuckharmston/testpilot,lmorchard/idea-town-server,meandavejustice/testpilot,mathjazz/testpilot,lmorchard/idea-town,mozilla/idea-town-server,fzzzy/testpilot,lmorchard/idea-town-server,fzzzy/testpilot,meandavejustice/testpilot,flodolo/testpilot,mozilla/idea-town,lmorchard/idea-town,chuckharmston/testpilot,mozilla/idea-town,lmorchard/testpilot,mozilla/idea-town-server,fzzzy/testpilot,lmorchard/idea-town-server,meandavejustice/testpilot,mozilla/idea-town,mathjazz/testpilot,lmorchard/idea-town-server,mathjazz/testpilot,mozilla/idea-town