docs: updated Docusaurus + fix recurring error (#1244)

www/docs/src/css/custom.css

@@ -62,12 +62,19 @@ p {
 
 /* DocSearch */
 
-html[data-theme="light"] .DocSearch-Button {
+/* html[data-theme="light"] .DocSearch-Button {
   --docsearch-searchbox-background: #fff;
 }
 
 html[data-theme="dark"] .DocSearch-Button {
   --docsearch-searchbox-background: #1f1f1f;
+} */
+
+.DocSearch-Button {
+  width: 100%;
+  max-width: 175px;
+  border-radius: 8px !important;
+  --docsearch-container-background: #f5f6f7;
 }
 
 span.DocSearch-Button-Key {
@@ -90,11 +97,6 @@ html[data-theme="dark"] .docusaurus-highlight-code-line {
   font-size: 14px;
 }
 
-/* Medusa logo */
-.navbar__brand {
-  width: 100px;
-}
-
 .navbar-github-link:before {
   content: "";
   width: 24px;
@@ -203,10 +205,6 @@ footer .footer__items svg {
   display: none;
 }
 
-footer .footer__item a:hover {
-  color: white;
-}
-
 @media screen and (min-width: 966px) {
   footer .footer__col {
     display: flex;