diff --git a/docs/assets/styles/hydration-errors.css b/docs/assets/styles/hydration-errors.css
index b225dd431..708a61041 100644
--- a/docs/assets/styles/hydration-errors.css
+++ b/docs/assets/styles/hydration-errors.css
@@ -18,7 +18,7 @@
 .diff-grid > * {
   height: 100%;
 }
-.diff-dialog::part(dialog) {
+.diff-dialog {
   max-width: 90vw;
   width: 90vw;
 }
diff --git a/docs/assets/styles/search.css b/docs/assets/styles/search.css
index 150c1abf2..f8b1ef015 100644
--- a/docs/assets/styles/search.css
+++ b/docs/assets/styles/search.css
@@ -1,14 +1,11 @@
 #site-search {
-  --width: 38rem;
-
-  &::part(dialog) {
-    position: absolute;
-    top: 0;
-    border-radius: var(--wa-border-radius-m);
-    padding: 0;
-    margin: 10rem auto;
-    overflow: hidden;
-  }
+  width: 38rem;
+  position: absolute;
+  top: 0;
+  border-radius: var(--wa-border-radius-m);
+  padding: 0;
+  margin: 10rem auto;
+  overflow: hidden;
 
   &::part(body) {
     padding: 0;
@@ -18,21 +15,19 @@
     justify-content: center;
     gap: 0.5rem;
   }
+
+  @media screen and (max-width: 900px) {
+    max-width: calc(100% - 2rem);
+    margin-block: 1rem;
+  }
 }
 
 #site-search-container {
   display: flex;
   flex-direction: column;
   max-height: calc(100vh - 20rem);
-}
 
-@media screen and (max-width: 900px) {
-  #site-search::part(dialog) {
-    max-width: calc(100% - 2rem);
-    margin-block: 1rem;
-  }
-
-  #site-search-container {
+  @media screen and (max-width: 900px) {
     max-height: calc(100dvh - 2rem);
   }
 }