standaloneMedia added

web/src/components/About/style.js

@@ -1,4 +1,5 @@
 import styled, { css } from 'styled-components'
+import { standaloneMedia } from 'style/standaloneMedia'
 
 export const DialogWrapper = styled.div`
   height: 100%;
@@ -27,9 +28,9 @@ export const HeaderSection = styled.section`
     }
   }
 
-  @media screen and (display-mode: standalone) {
+  ${standaloneMedia(css`
     padding-top: 30px;
-  }
+  `)}
 `
 
 export const ThanksSection = styled.section`