diff --git a/src/common/component/Message/Reaction.js b/src/common/component/Message/Reaction.js
index 77a536bc..4f2a88d4 100644
--- a/src/common/component/Message/Reaction.js
+++ b/src/common/component/Message/Reaction.js
@@ -37,7 +37,7 @@ const StyledWrapper = styled.span`
       background-color: #cff9fe;
     }
     &.reacted {
-      border: 1px solid #06aed4;
+      box-shadow: inset 0 0 0 1px #06aed4;
       background-color: #a5f0fc;
     }
 
diff --git a/src/routes/chat/styled.js b/src/routes/chat/styled.js
index d95fcb8f..ac6535be 100644
--- a/src/routes/chat/styled.js
+++ b/src/routes/chat/styled.js
@@ -128,7 +128,7 @@ const StyledWrapper = styled.div`
         }
         /* drop files effect */
         .drop_over {
-          outline: 2px solid #52edff;
+          box-shadow: inset 0 0 0 2px #52edff;
         }
       }
       &.collapse {