diff --git a/src/slic3r/GUI/ImageGrid.cpp b/src/slic3r/GUI/ImageGrid.cpp
index 036f79efa2..7b0cf287f0 100644
--- a/src/slic3r/GUI/ImageGrid.cpp
+++ b/src/slic3r/GUI/ImageGrid.cpp
@@ -368,14 +368,17 @@ void ImageGrid::resize(wxSizeEvent& event)
 
 void ImageGrid::mouseWheelMoved(wxMouseEvent &event)
 {
-    auto delta = event.GetWheelRotation() < 0 ? 1 : -1;
-    int off = m_row_offset + delta;
-    if (off >= 0 && off < m_row_count) {
-        m_row_offset = off;
-        m_timer.StartOnce(4000); // Show position bar
-        UpdateFocusRange();
-        Refresh();
-    }
+    auto delta = -event.GetWheelRotation();
+    m_scroll_offset += delta;
+    int max = m_row_count * m_cell_size.GetHeight() / 4;
+    if (m_scroll_offset < 0)
+        m_scroll_offset = 0;
+    else if (m_scroll_offset >= max)
+        m_scroll_offset = max - 1;
+    m_row_offset = m_scroll_offset * 4 / m_cell_size.GetHeight();
+    m_timer.StartOnce(4000); // Show position bar
+    UpdateFocusRange();
+    Refresh();
 }
 
 void Slic3r::GUI::ImageGrid::changedEvent(wxCommandEvent& evt)
diff --git a/src/slic3r/GUI/ImageGrid.h b/src/slic3r/GUI/ImageGrid.h
index 5a742d5817..8aef8a5e9d 100644
--- a/src/slic3r/GUI/ImageGrid.h
+++ b/src/slic3r/GUI/ImageGrid.h
@@ -122,6 +122,7 @@ private:
     int     m_hit_type = HIT_NONE;
     size_t  m_hit_item = size_t(-1);
 
+    int m_scroll_offset = 0;
     int m_row_offset = 0; // 1/4 row height
     int m_row_count = 0; // 1/4 row height
     int m_col_count = 1;
diff --git a/src/slic3r/GUI/Widgets/DropDown.cpp b/src/slic3r/GUI/Widgets/DropDown.cpp
index 7d6f9dd8c5..fd464498cd 100644
--- a/src/slic3r/GUI/Widgets/DropDown.cpp
+++ b/src/slic3r/GUI/Widgets/DropDown.cpp
@@ -432,7 +432,7 @@ void DropDown::mouseMove(wxMouseEvent &event)
 
 void DropDown::mouseWheelMoved(wxMouseEvent &event)
 {
-    auto delta = event.GetWheelRotation() > 0 ? rowSize.y : -rowSize.y;
+    auto delta = event.GetWheelRotation();
     wxPoint pt2 = offset + wxPoint{0, delta};
     if (pt2.y > 0)
         pt2.y = 0;
diff --git a/src/slic3r/GUI/Widgets/WebView.cpp b/src/slic3r/GUI/Widgets/WebView.cpp
index 251dfe007f..c835f3cfb0 100644
--- a/src/slic3r/GUI/Widgets/WebView.cpp
+++ b/src/slic3r/GUI/Widgets/WebView.cpp
@@ -110,7 +110,7 @@ wxWebView* WebView::CreateWebView(wxWindow * parent, wxString const & url)
         webView->SetUserAgent(wxString::Format("BBL-Slicer/v%s (%s) Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
             "AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.52", SLIC3R_VERSION, 
             Slic3r::GUI::wxGetApp().dark_mode() ? "dark" : "light"));
-        webView->Create(parent, wxID_ANY, url2, wxDefaultPosition, wxDefaultSize);
+        webView->Create(parent, wxID_ANY, url2, wxDefaultPosition, wxDefaultSize, wxBORDER_NONE);
         // We register the wxfs:// protocol for testing purposes
         webView->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewArchiveHandler("bbl")));
         // And the memory: file system
@@ -120,7 +120,7 @@ wxWebView* WebView::CreateWebView(wxWindow * parent, wxString const & url)
         webView->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewArchiveHandler("wxfs")));
         // And the memory: file system
         webView->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewFSHandler("memory")));
-        webView->Create(parent, wxID_ANY, url2, wxDefaultPosition, wxDefaultSize);
+        webView->Create(parent, wxID_ANY, url2, wxDefaultPosition, wxDefaultSize, wxBORDER_NONE);
         webView->SetUserAgent(wxString::Format("BBL-Slicer/v%s (%s) Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko)", SLIC3R_VERSION,
                                                Slic3r::GUI::wxGetApp().dark_mode() ? "dark" : "light"));
 #endif