Fixing docs card font color for dark mode (#255)

* Overriding card font color for dark mode

* Overriding border color for dark mode

Author: rvasav26

docs/src/index.rst

@@ -1,5 +1,21 @@
 .. automodule:: skmatter
 
+.. raw:: html
+
+     <style>
+        /* Overriding bootstrap font color so that text appears white
+           in dark theme */
+        html[data-theme="dark"] .card-text {
+            color: var(--pst-color-text-base);
+        }
+
+        /* Overriding bootstrap border color so that border appears white
+           in dark theme */
+        html[data-theme="dark"] .card {
+            --bs-card-border-color: var(--pst-color-border);
+        }
+    </style>
+
 .. raw:: html
 
     <div class="container">