Update data_processing.md

Author: npovejsil

data_processing.md

@@ -79,5 +79,13 @@ We knew that it was important to maintain the conceptual indicator/driver struct
   width: 200px;
   height: 200px;
   object-fit: cover;
+}
+<style>
+.crosswalk-photo {
+  float: left;
+  width: 200px;
+  height: 200px;
+  object-fit: cover;
+}
   margin-right: 20px;
-}
+}