diff --git a/website/doc/theme/book.js b/website/doc/theme/book.js
index d40440c7..c4f264aa 100644
--- a/website/doc/theme/book.js
+++ b/website/doc/theme/book.js
@@ -500,7 +500,8 @@ function playground_text(playground) {
         html.classList.add('sidebar-resizing');
     }
     function resize(e) {
-        var pos = (e.clientX - sidebar.offsetLeft);
+        var viewportOffset = sidebar.getBoundingClientRect();
+        var pos = (e.clientX - sidebar.offsetLeft - viewportOffset.left);
         if (pos < 20) {
             hideSidebar();
         } else {
diff --git a/website/src/mdbook.rs b/website/src/mdbook.rs
index 3efe8e22..65038cac 100644
--- a/website/src/mdbook.rs
+++ b/website/src/mdbook.rs
@@ -37,6 +37,7 @@ async fn mdbook_page(request: app::HttpRequest) -> ResultPage<Markup, FatalError
         if let Ok(html) = std::str::from_utf8(content.data) {
             let mut page = Page::new().with_title("Documentación");
             page.context()
+                .alter(InContextOp::AddMetadata("theme-color", "#ffffff"))
                 .alter(InContextOp::StyleSheet(
                     AssetsOp::<StyleSheet>::Add(StyleSheet::located("/doc/css/variables.css"))
                 ))