diff --git a/.stylelintrc.yml b/.stylelintrc.yml
index 8959a9f7..6e55fb7f 100644
--- a/.stylelintrc.yml
+++ b/.stylelintrc.yml
@@ -10,3 +10,5 @@ rules:
     string-quotes: single
     function-url-quotes: none
     no-eol-whitespace: null
+    font-family-name-quotes: single-unless-keyword
+
diff --git a/css/help.css b/css/help.css
index 30e42cee..42602618 100644
--- a/css/help.css
+++ b/css/help.css
@@ -8,5 +8,5 @@
 }
 
 .help img {
-    max-width       : 100%
+    max-width       : 100%;
 }
diff --git a/css/view.css b/css/view.css
index 1cfac9a5..4edf7a7d 100644
--- a/css/view.css
+++ b/css/view.css
@@ -23,7 +23,7 @@
      * when search element with
      * document.elementFromPoint
      */
-    z-index: 1
+    z-index: 1;
 }
 
 .fancybox-overlay {
diff --git a/package.json b/package.json
index 0496b91b..c7008b0d 100644
--- a/package.json
+++ b/package.json
@@ -102,7 +102,7 @@
     "recess": "^1.1.9",
     "shortdate": "^1.0.1",
     "stylelint": "^4.4.0",
-    "stylelint-config-standard": "^3.0.0",
+    "stylelint-config-standard": "^4.0.0",
     "tape": "^4.4.0",
     "version-io": "^1.2.5",
     "yaspeller": "^2.6.0"