yearly report home page sticker (#84)

Reviewed-on: #84
Reviewed-by: Fede.- <fede@no-reply@disroot.org>
Reviewed-by: muppeth <muppeth@no-reply@disroot.org>
Reviewed-by: meaz <meaz@no-reply@disroot.org>
Co-authored-by: antilopa <antilopa@disroot.org>
Co-committed-by: antilopa <antilopa@disroot.org>

css/style.css

@@ -46,7 +46,7 @@ header {
 /************************************************/
 /* A place for temporary campaigns / sticker on home banner */
 .sticker {
-    background: url(../images/birthday23.png) no-repeat center center;
+    background: url(../images/2023-report.png) no-repeat center center;
     -webkit-transform: rotate(-10deg);
     transform: rotate(-10deg);
     position: absolute;
@@ -1540,4 +1540,4 @@ input#xmpp{
 
 input#catchall{
   width: 50px;
-}
+}

templates/partials/header.html.twig

@@ -7,7 +7,7 @@
       <h1 class="responsive-headline">{{ site.header.title }}</h1>
       <h3>{{ site.header.description }}</h3>
       <!-- Place for temporary stickers -->
-      <!--a class=sticker href="" target=_blank></a-->
+      <a class=sticker href="annual_reports/AnnualReport2023.pdf" target=_blank></a>
       <!--a class=sticker href="/covid19"></a-->
       <hr />
       {% if site.social %}