CSS navbar and color tweaks (#13609)

* CSS and color tweaks

- Unify navbar-style menus
- Fix admin bar overlapping menu bar
- Fixes file edit comment box
- Fix double border on review box
- Fix review timeline icons

* Many fixes to new-menu and navbar layout enhancements

* misc settings fixes

* navbar tweak

* fix pr tabs

* branch tag and arc color tweaks

templates/user/auth/signin_navbar.tmpl

@@ -1,19 +1,21 @@
 {{if or .EnableOpenIDSignIn .EnableSSPI}}
 <div class="ui secondary pointing tabular top attached borderless menu new-menu navbar">
-	<a class="{{if .PageIsLogin}}active{{end}} item" rel="nofollow" href="{{AppSubUrl}}/user/login">
-		{{.i18n.Tr "auth.login_userpass"}}
-	</a>
-	{{if .EnableOpenIDSignIn}}
-	<a class="{{if .PageIsLoginOpenID}}active{{end}} item" rel="nofollow" href="{{AppSubUrl}}/user/login/openid">
-		<i class="fa fa-openid"></i>
-		&nbsp;OpenID
-	</a>
-	{{end}}
-	{{if .EnableSSPI}}
-	<a class="item" rel="nofollow" href="{{AppSubUrl}}/user/login?auth_with_sspi=1">
-		<i class="fa fa-windows"></i>
-		&nbsp;SSPI
-	</a>
-	{{end}}
+	<div class="new-menu-inner">
+		<a class="{{if .PageIsLogin}}active{{end}} item" rel="nofollow" href="{{AppSubUrl}}/user/login">
+			{{.i18n.Tr "auth.login_userpass"}}
+		</a>
+		{{if .EnableOpenIDSignIn}}
+		<a class="{{if .PageIsLoginOpenID}}active{{end}} item" rel="nofollow" href="{{AppSubUrl}}/user/login/openid">
+			<i class="fa fa-openid"></i>
+			&nbsp;OpenID
+		</a>
+		{{end}}
+		{{if .EnableSSPI}}
+		<a class="item" rel="nofollow" href="{{AppSubUrl}}/user/login?auth_with_sspi=1">
+			<i class="fa fa-windows"></i>
+			&nbsp;SSPI
+		</a>
+		{{end}}
+	</div>
 </div>
 {{end}}