added color for function tokens
diff --git a/themes/prism-okaidia.css b/themes/prism-okaidia.css
index d64cde3..3ff2e3c 100644
--- a/themes/prism-okaidia.css
+++ b/themes/prism-okaidia.css
@@ -92,7 +92,8 @@ pre[class*="language-"] {
}
.token.atrule,
-.token.attr-value {
+.token.attr-value,
+.token.function {
color: #e6db74;
}