tours: add neutral styles for idp pages (#30142)

static/tours-metropole/_custom.scss

@@ -9,6 +9,56 @@
 	font-style: normal;
 }
 
+/* styles for authentic page */
+body.authentic-page {
+	background: #efefef;
+	div#header-wrapper {
+		border-top: 0;
+		background: none;
+	}
+	div#header {
+		#toplinks {
+			top: -50px;
+		}
+		h1#logo {
+			padding-left: 0;
+			margin: 50px 0 10px 0;
+			a {
+				margin: 0;
+				background-image: url('img/logo.png'), url('img/logo-ville.png');
+				background-position: center left, center right;
+				background-repeat: no-repeat, no-repeat;
+				background-size: contain, contain;
+				@media screen and (max-width: $mobile-limit) {
+					background-image: url('img/logo.png');
+					background-repeat: no-repeat;;
+					background-position: center left;
+
+				}
+			}
+		}
+	}
+	div#nav-wrapper {
+		display: none;
+	}
+	div.block, div.a2-block {
+		h2 {
+			background: #6699cc;
+		}
+
+	}
+	div#footer-wrapper {
+		border: 0;
+	}
+	button {
+		color: #ffffff;
+		background: #7aa63e;
+		&:hover {
+			background: #6699cc;
+		}
+	}
+}
+
 div#header-wrapper {
 	border-top: 25px solid #ffffff;
 	background: url('img/back-header.png');

templates/variants/tours-metropole/authentic2/base.html

@@ -0,0 +1,21 @@
+{% extends "authentic2/base.html" %}
+
+{% block extra-body-class %}authentic-page{% endblock %}
+
+{% block placeholder-content %}
+
+ {% block messages %}
+   {% if messages %}
+     <div id="messages">
+       <ul class="messages">
+           {% for message in messages %}
+           <li{% if message.tags %} class="{{ message.tags }}"{% endif %}>{{ message }}</li>
+           {% endfor %}
+       </ul>
+     </div>
+   {% endif %}
+ {% endblock %}
+
+  {% block content %}
+  {% endblock %}
+{% endblock %}