* { outline: 2px dotted red }
 * * { outline: 2px dotted green }
 * * * { outline: 2px dotted orange }
 * * * * { outline: 2px dotted blue }
 * * * * * { outline: 1px solid red }
 * * * * * * { outline: 1px solid green }
 * * * * * * * { outline: 1px solid orange }
 * * * * * * * * { outline: 1px solid blue }