diff --git a/app/assets/stylesheets/preact/onboarding-modal.scss b/app/assets/stylesheets/preact/onboarding-modal.scss
index 2815aa3db..3745c52b1 100644
--- a/app/assets/stylesheets/preact/onboarding-modal.scss
+++ b/app/assets/stylesheets/preact/onboarding-modal.scss
@@ -30,13 +30,13 @@
   box-sizing: border-box;
   padding: var(--su-4);
   width: 100%;
-  height: 800px;
-  max-height: 90vh;
+  min-height: 100%;
   overflow: auto;
 
   @media screen and (min-width: $breakpoint-s) {
     justify-content: center;
     padding: var(--su-7) var(--su-8);
+    height: 800px;
   }
 }