Revert "removed redundant style"

This reverts commit f812dd3b162c0d4ae1f80d6e023305eaf336fe1c.
Revert "Chapter6 Example3: added ng-view animations with animate.css"

This reverts commit ae3245d27adb7d3cb69fff1eedcf3da2f2b4ae49.
Revert "Chapter6 Example2: added dynamic locale change support + ngcloak"

This reverts commit 44ac406294e787e9f4b19846db0d835fc0e2c568.
Revert "Chapter6 Example1: added angular-locale and switched to "fr-fr" locale id"

This reverts commit bafc5eaf9315fe8dd0bf171912a3018b0820459b.