fix: product switcher double-highlight on hover in Safari (#5628)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

Author: Ryan-Amirthan

fern/assets/styles.css

@@ -126,9 +126,12 @@ h1, h2, h3 {
       max-width: 320px;
       margin: -0.75rem;
       position: relative;
+      outline: none;
 
       .fern-selection-item{
         border-radius: 1rem;
+        border-color: transparent;
+        outline: none;
       }
 
     }
@@ -163,6 +166,7 @@ h1, h2, h3 {
     > a[href*="openrpc"],
     > a[href*="grpc"],
     > a[href*="ferndef"] {
+      align-self: start;
       .fern-selection-item-subtitle {
         display: none;
       }