diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..c2a2c34
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+    - "6.1"
diff --git a/package.json b/package.json
index 555b683..9f5c163 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,7 @@
     "lint:addon": "addons-linter webextension --self-hosted",
     "lint:css": "stylelint webextension/css/*.css",
     "lint:html": "htmllint webextension/*.html",
-    "lint:js": "eslint ."
+    "lint:js": "eslint .",
+    "test": "npm run lint"
   }
 }
diff --git a/webextension/css/popup.css b/webextension/css/popup.css
index fcbd883..13e2ad3 100644
--- a/webextension/css/popup.css
+++ b/webextension/css/popup.css
@@ -47,20 +47,20 @@ table {
 }
 
 .onboarding-img {
-  inline-size: 180px;
   block-size: 132px;
+  inline-size: 180px;
 }
 
 .onboarding-title {
-  margin-block-start: 20px;
-  margin-block-end: 10px;
+  color: #43484e;
   font-size: 14px;
-  color: #43484E;
+  margin-block-end: 10px;
+  margin-block-start: 20px;
 }
 
 .onboarding-subtext {
-  font-size: 10px;
   color: #4a4a4a;
+  font-size: 10px;
 }
 
 .popup-bumper {