diff --git a/packages/strapi-admin/admin/src/components/OnboardingVideo/styles.scss b/packages/strapi-admin/admin/src/components/OnboardingVideo/styles.scss
index d211ccf246..7f9d461030 100644
--- a/packages/strapi-admin/admin/src/components/OnboardingVideo/styles.scss
+++ b/packages/strapi-admin/admin/src/components/OnboardingVideo/styles.scss
@@ -37,10 +37,8 @@ li.listItem {
     }
     .play {
       position: absolute;
-      top: 50%;
-      margin-top: -10px;
-      left: 50%;
-      margin-left: -10px;
+      top: calc(50% - 10px);
+      left: calc(50% - 10px);
       width: 20px;
       height: 20px;
       background-color: #0e7de7;
diff --git a/packages/strapi-admin/admin/src/containers/HomePage/index.js b/packages/strapi-admin/admin/src/containers/HomePage/index.js
index 31de9d7bb8..2e60b2512a 100644
--- a/packages/strapi-admin/admin/src/containers/HomePage/index.js
+++ b/packages/strapi-admin/admin/src/containers/HomePage/index.js
@@ -147,7 +147,7 @@ export class HomePage extends React.PureComponent {
       ? {
         className: styles.homePageTutorialButton,
         href:
-            'https://strapi.io/documentation/3.x.x/getting-started/quick-start.html#_3-create-a-content-type',
+            'https://strapi.io/documentation/getting-started/quick-start.html#_3-create-a-content-type',
         id: 'app.components.HomePage.button.quickStart',
         primary: true,
       }
diff --git a/packages/strapi-admin/admin/src/containers/Onboarding/styles.scss b/packages/strapi-admin/admin/src/containers/Onboarding/styles.scss
index 60f08014ad..1d0af4dcd4 100644
--- a/packages/strapi-admin/admin/src/containers/Onboarding/styles.scss
+++ b/packages/strapi-admin/admin/src/containers/Onboarding/styles.scss
@@ -66,8 +66,6 @@
       border-radius: 50%;
       color: white;
       background: #0e7de7;
-      -webkit-box-shadow: 0px 2px 4px 0px rgba(227, 233, 243, 1);
-      -moz-box-shadow: 0px 2px 4px 0px rgba(227, 233, 243, 1);
       box-shadow: 0px 2px 4px 0px rgba(227, 233, 243, 1);
       i:last-of-type {
         display: none;