diff --git a/apps/browser/src/popup/scss/base.scss b/apps/browser/src/popup/scss/base.scss
index df96199e1a9..b3d14e65061 100644
--- a/apps/browser/src/popup/scss/base.scss
+++ b/apps/browser/src/popup/scss/base.scss
@@ -151,6 +151,7 @@ textarea {
 
 app-root > div {
   height: 100%;
+  width: 100%;
 }
 
 main::-webkit-scrollbar,
@@ -373,7 +374,8 @@ header:not(bit-callout header, bit-dialog header, popup-page header) {
 
 app-root {
   width: 100%;
-  height: 100%;
+  height: 100vh;
+  display: flex;
 
   @include themify($themes) {
     background-color: themed("backgroundColor");