Fixed syntax highlighting of CSS strings in HTML
diff --git a/prism.css b/prism.css
index db5a2e0..4681a24 100644
--- a/prism.css
+++ b/prism.css
@@ -71,7 +71,8 @@ pre[class*="language-"] {
.token.operator,
.token.entity,
.token.url,
-.language-css .token.string {
+.language-css .token.string,
+.style .token.string {
color: #a67f59;
background: hsla(0,0%,100%,.5);
}