fix: download icon with sphinx-gallery and nbsphinx (#471)

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

Author: Revathyvenugopal162

doc/changelog.d/471.fixed.md

@@ -0,0 +1 @@
+fix: download icon with sphinx-gallery and nbsphinx

doc/source/conf.py

@@ -76,6 +76,13 @@
     "logo": "ansys",
 }
 
+
+nbsphinx_prolog = """
+Download this example as a :download:`Jupyter notebook </{{ env.docname }}.ipynb>`.
+
+----
+"""
+
 # Sphinx extensions
 extensions = [
     "ansys_sphinx_theme.extension.autoapi",

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

@@ -34,15 +34,21 @@ div.sphx-glr-download a:hover {
   flex-direction: column;
 }
 div.sphx-glr-download code.download,
-a.reference.download:before {
+div.sphx-glr-download a.reference.download:before {
   color: var(--ast-sphinx-gallery-download-text);
 }
+
+a.reference.download:before {
+  color: var(--ast-color-text);
+}
+
 div.sphx-glr-download a:hover {
   background-color: var(--ast-sphinx-gallery-download-background-hover);
 }
 
 div.sphx-glr-download a {
   background-color: var(--ast-sphinx-gallery-download-background);
+  color: var(--ast-sphinx-gallery-download-text);
 }
 
 .docutils.container {