diff --git a/src/components/Callbacks/CallbacksList.tsx b/src/components/Callbacks/CallbacksList.tsx
index c27d6bf6..8ef40654 100644
--- a/src/components/Callbacks/CallbacksList.tsx
+++ b/src/components/Callbacks/CallbacksList.tsx
@@ -31,9 +31,8 @@ export class CallbacksList extends React.PureComponent<CallbacksListProps> {
   }
 }
 
-// TODO: get font size from the theme?
 const CallbacksHeader = styled.h3`
-  font-size: 18px;
+  font-size: 1.3em;
   padding: 0.2em 0;
   margin: 3em 0 1.1em;
   color: ${({ theme }) => theme.colors.text.primary};
diff --git a/src/components/Responses/ResponsesList.tsx b/src/components/Responses/ResponsesList.tsx
index 8f77c4c7..157aca58 100644
--- a/src/components/Responses/ResponsesList.tsx
+++ b/src/components/Responses/ResponsesList.tsx
@@ -3,9 +3,8 @@ import { ResponseModel } from '../../services/models';
 import styled from '../../styled-components';
 import { ResponseView } from './Response';
 
-// TODO: get font size from the theme?
 const ResponsesHeader = styled.h3`
-  font-size: 18px;
+  font-size: 1.3em;
   padding: 0.2em 0;
   margin: 3em 0 1.1em;
   color: ${({ theme }) => theme.colors.text.primary};