Il est possible de styliser le dialogue de connexion par skin

application/modules/opac/views/scripts/subModal.phtml

 <?php 
 $script_loader = Class_ScriptLoader::getInstance()
 								 ->addAdminStyleSheet('subModalContenu')
-								 ->addAdminScript('global');
+								 ->addAdminScript('global')
+	               ->addSkinStyleSheet('iframe');
 
 ob_start(); 
 echo $this->render($this->actionScript);

tests/application/modules/opac/controllers/AuthControllerTest.php

@@ -294,6 +294,12 @@ class AuthControllerNobodyLoggedAndNoRegistrationAllowedAjaxLoginTest extends Au
 	public function testNoLinkSenregistrer() {
 		$this->assertNotXPath('//div//a[contains(@href, "auth/register")]');
 	}
+
+
+	/** @test */
+	public function iframeCssShouldIncluded() {
+		$this->assertXPath('//link[contains(@href, "iframe.css")]');
+	}
 }