fontenay-sous-bois-2017: update headers styles (#17977)

README

@@ -28,6 +28,15 @@ details.
 You should have received a copy of the GNU Affero General Public License along
 with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+This program incorporates independent elements, with their own authors and
+copyright notices:
+
+* Yanone Kaffeesatz font
+  # https://www.fontsquirrel.com/fonts/yanone-kaffeesatz
+  #
+  # Licensed under the SIL Open Font License, Version 1.1.
+  # https://www.fontsquirrel.com/license/yanone-kaffeesatz
+
 ~~~~
 
 Some CSS variant files have their own specific licenses.

static/fontenay-sous-bois-2017/_custom.scss

@@ -1,3 +1,28 @@
+h1 {
+    font-family: YanoneKaffeesatzBold;
+    font-size: 2em;
+    color: #454548;
+}
+
+h2 {
+    font-size: 1.7em;
+    color: #4f8cc9;
+    font-family: YanoneKaffeesatzBold;
+}
+
+%title {
+    @extend %title;
+    font-size: 1.7em;
+    font-family: YanoneKaffeesatzBold;
+    color: #4f8cc9;
+}
+
+h3 {
+    font-family: YanoneKaffeesatzBold;
+    color: #343531;
+    font-size: 1.6em;
+}
+
 #nav-wrapper {
     border-bottom: 14px solid $primary-color;
     @media screen and (max-width: $mobile-limit) {

static/fontenay-sous-bois-2017/style.scss

@@ -2,4 +2,5 @@
 
 @import 'vars';
 @import '../includes/publik';
+@import '../includes/font-yanonekaffeesatz';
 @import 'custom';

static/includes/_font-yanonekaffeesatz.scss

@@ -0,0 +1,15 @@
+@font-face {
+        font-family: 'YanoneKaffeesatz';
+        font-style: normal;
+        font-weight: normal;
+        src: url(../fonts/YanoneKaffeesatz-Regular.otf);
+        src: url('../fonts/YanoneKaffeesatz-Regular.otf') format('opentype');
+}
+
+@font-face {
+        font-family: 'YanoneKaffeesatzBold';
+        font-style: normal;
+        font-weight: bold;
+        src: url(../fonts/YanoneKaffeesatz-Bold.otf);
+        src: url('../fonts/YanoneKaffeesatz-Bold.otf') format('opentype');
+}