fix: the download in sphinx gallery (#490)

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: Revathyvenugopal162

doc/changelog.d/490.fixed.md

@@ -0,0 +1 @@
+fix: the download in sphinx gallery

src/ansys_sphinx_theme/theme/ansys_sphinx_theme/static/css/sphinx-gallery.css

@@ -50,3 +50,17 @@ div.sphx-glr-download a {
   background-color: var(--ast-sphinx-gallery-download-background);
   color: var(--ast-sphinx-gallery-download-text);
 }
+
+div.sphx-glr-footer {
+  text-align: center;
+  display: flex;
+  gap: 10px;
+  align-content: center;
+  justify-content: center;
+  flex-wrap: wrap;
+  flex-direction: row;
+}
+
+div.sphx-glr-download {
+  margin: 0px;
+}