diff --git a/assets/css/components/talks/video.css b/assets/css/components/talks/video.css
index ed0379002..907579956 100644
--- a/assets/css/components/talks/video.css
+++ b/assets/css/components/talks/video.css
@@ -1,6 +1,6 @@
 .talk-video {
   iframe,
   embed {
-    @apply absolute h-full pin-l pin-t w-full
+    @apply absolute h-full left-0 top-0 w-full
   }
 }
diff --git a/source/_layouts/default.html.twig b/source/_layouts/default.html.twig
index f0f97bf27..3ad236cf6 100644
--- a/source/_layouts/default.html.twig
+++ b/source/_layouts/default.html.twig
@@ -1,7 +1,7 @@
 {% extends 'app' %}
 
 {% block body %}
-    <a href="#main-content" class="skip-link absolute pin-t pin-l text-white bg-blue p-4 focus:outline-none">
+    <a href="#main-content" class="skip-link absolute top-0 left-0 text-white bg-blue p-4 focus:outline-none">
         Skip to main content
     </a>
 
diff --git a/source/_partials/layout/navbar.html.twig b/source/_partials/layout/navbar.html.twig
index cf7e0e4c4..3194a51b8 100644
--- a/source/_partials/layout/navbar.html.twig
+++ b/source/_partials/layout/navbar.html.twig
@@ -1,4 +1,4 @@
-<div class="border-bottom border-b border-grey-light mb-6 fixed pin-t w-full bg-white z-20">
+<div class="border-bottom border-b border-grey-light mb-6 fixed top-0 w-full bg-white z-20">
     <div class="px-4 md:px-8 mx-auto">
         <div class="block py-5 v-cloak-block">
             <div class="font-semibold text-sm">{{ site.title }}</div>