update image contain

static/css/theme-coko/main.css

@@ -342,7 +342,7 @@ h2.section-title {
 .news .grid-item img {
   height: 250px;
   margin: 1em auto;
-  object-fit: cover;
+  object-fit: contain;
   width: 100%;
 }
 .home .linkToPrevious {
@@ -768,7 +768,8 @@ footer section.infos a:hover {
   grid-auto-rows: unset;
 }
 
-.checkboxList{
+.checkboxList {
   list-style-type: none;
   list-style-position: inside;
-}
\ No newline at end of file
+}
+