Fix close button design (#21652)

* Fix close button design

* center
old-commit-hash: 1fb5d9b812

selfdrive/ui/qt/offroad/settings.cc

@@ -309,13 +309,15 @@ SettingsWindow::SettingsWindow(QWidget *parent) : QFrame(parent) {
   )");
 
   // close button
-  QPushButton *close_btn = new QPushButton("X");
+  QPushButton *close_btn = new QPushButton("×");
   close_btn->setStyleSheet(R"(
-    font-size: 90px;
+    font-size: 140px;
+    padding-bottom: 20px;
     font-weight: bold;
     border 1px grey solid;
     border-radius: 100px;
     background-color: #292929;
+    font-weight: 400;
   )");
   close_btn->setFixedSize(200, 200);
   sidebar_layout->addSpacing(45);