change image size

metager/resources/less/metager/pages/startpage/tiles.less

@@ -57,10 +57,10 @@ div#tiles-container {
             }
 
             >div.image {
-                @image_size: 5rem;
+                @image_size: 4rem;
                 width: @image_size;
                 height: @image_size;
-                padding: 1rem;
+                padding: 0.5rem;
                 background-color: @highlight-color;
                 border-radius: 5px;
                 transition: background-color 0.5s;