Add color inheritance to button styles in _index.scss

Author: robin-rpr

static/styles/pages/_index.scss

@@ -121,6 +121,7 @@
                     padding: 1rem;
                     min-height: 10rem;
                     height: 100%;
+                    color: inherit;
                     justify-content: space-between;
                     text-decoration: none;
                     cursor: pointer;