CSS tweaks

doc/_static/style.css

@@ -14,10 +14,35 @@ span.option {
   white-space: nowrap;
 }
 
+html[data-theme="light"] {
+    /* sphinx-gallery overrides */
+    --sg-download-a-background-color: var(--pst-color-primary);
+    --sg-download-a-background-image: unset;
+    --sg-download-a-border-color: var(--pst-color-border);
+    --sg-download-a-color: #fff;
+    --sg-download-a-hover-background-color: var(--pst-color-primary-highlight);
+    --sg-download-a-hover-box-shadow-1: none;
+    --sg-download-a-hover-box-shadow-2: none;
+}
+html[data-theme="dark"] {
+    /* sphinx-gallery overrides */
+    --sg-download-a-background-color: var(--pst-color-primary);
+    --sg-download-a-background-image: unset;
+    --sg-download-a-border-color: var(--pst-color-border);
+    --sg-download-a-color: #000;
+    --sg-download-a-hover-background-color: var(--pst-color-primary-highlight);
+    --sg-download-a-hover-box-shadow-1: none;
+    --sg-download-a-hover-box-shadow-2: none;
+}
+
 /* script/notebook download buttons */
-.sphx-glr-download a.download {
+div.sphx-glr-download a {
     border-radius: 0.5rem;
     /* ↓↓↓↓↓↓↓ these two rules copied from sphinx-design */
     box-shadow: 0 .125rem .25rem var(--sd-color-shadow) !important;
     transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
 }
+
+div.sphx-glr-download a code {
+    color: var(--sg-download-a-color);
+}