diff --git a/src/.DS_Store b/src/.DS_Store
index 638943c95fc6b52e9fb9b039947aa93d5d69188c..90372227a27deb5d486ce4d6200c07c8564635cd 100644
Binary files a/src/.DS_Store and b/src/.DS_Store differ
diff --git a/src/App/mediarules.css b/src/App/mediarules.css
index 3166cfdb29084bebd302faedc8ac47940c65184e..d5b35d7055347cdb80215a40706f79a4e7122d47 100644
--- a/src/App/mediarules.css
+++ b/src/App/mediarules.css
@@ -147,6 +147,10 @@
     position:initial!important;
     font-size: 0.5em !important;
 
+  }
+  img[src*="200k-anim-transparent-bg.gif"] {
+    width: 100%;
+    height: auto;
   }
     /***Biosafty***/
     #safehead {
diff --git a/src/contents/.DS_Store b/src/contents/.DS_Store
index 3f7435c2097f3c53774e6321e9caab5b01787743..b83b211d5040b452010c13cb4997ec46fb275a22 100644
Binary files a/src/contents/.DS_Store and b/src/contents/.DS_Store differ
diff --git a/src/contents/Contribution/.DS_Store b/src/contents/Contribution/.DS_Store
index b294bba8d7c00202e2be6c1925ae601584d593bf..68851fc0b95753ced4a23b92671a7168111680d7 100644
Binary files a/src/contents/Contribution/.DS_Store and b/src/contents/Contribution/.DS_Store differ
diff --git a/src/contents/Human Practices/.DS_Store b/src/contents/Human Practices/.DS_Store
index db55fa8f925cbc78843327ee63b2ef7ca136958c..6ce48804981e49f6908d0af54119207542a3de31 100644
Binary files a/src/contents/Human Practices/.DS_Store and b/src/contents/Human Practices/.DS_Store differ