diff --git a/src/theme.js b/src/theme.js
index 9273a43..8d3b846 100644
--- a/src/theme.js
+++ b/src/theme.js
@@ -79,6 +79,7 @@ export default (customTheme = {}) => {
       },
     },
     secondary: {
+      backgroundColor: 'transparent',
       borderColor: colors.primary,
       color: colors.primary,
       '&:hover': {