diff --git a/package.json b/package.json
index 4c67b8f..f0c0185 100644
--- a/package.json
+++ b/package.json
@@ -11,11 +11,10 @@
     "dist/"
   ],
   "scripts": {
-    "build": "stencil build --docs && npm run copy-assets",
-    "start": "stencil build --dev --watch --serve && npm run copy-assets",
+    "build": "stencil build --docs",
+    "start": "stencil build --dev --watch --serve",
     "test": "stencil test --spec --e2e",
-    "test.watch": "stencil test --spec --e2e --watchAll",
-    "copy-assets": "cp -r src/assets/ www/ && cp src/style.css www/ && cp src/*.html www/"
+    "test.watch": "stencil test --spec --e2e --watchAll"
   },
   "dependencies": {},
   "devDependencies": {
diff --git a/src/components/combo-autocomplete/combo-autocomplete.tsx b/src/components/combo-autocomplete/combo-autocomplete.tsx
index 476262c..d4f618d 100644
--- a/src/components/combo-autocomplete/combo-autocomplete.tsx
+++ b/src/components/combo-autocomplete/combo-autocomplete.tsx
@@ -170,6 +170,7 @@ export class ComboAutocomplete {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/components/combo-autoselect/combo-autoselect.tsx b/src/components/combo-autoselect/combo-autoselect.tsx
index e626654..c8375f9 100644
--- a/src/components/combo-autoselect/combo-autoselect.tsx
+++ b/src/components/combo-autoselect/combo-autoselect.tsx
@@ -159,9 +159,11 @@ export class ComboAutoselect {
         event.preventDefault();
         return this.onOptionChange(getUpdatedIndex(this.activeIndex, max, action));
       case MenuActions.CloseSelect:
+        event.preventDefault();
         this.selectOption(this.activeIndex);
         return this.updateMenuState(false);
       case MenuActions.Close:
+        event.preventDefault();
         this.activeIndex = 0;
         this.value = this.selectedValue;
         this.filteredOptions = this.options;
diff --git a/src/components/combo-filter/combo-filter.tsx b/src/components/combo-filter/combo-filter.tsx
index b180375..af8a3aa 100644
--- a/src/components/combo-filter/combo-filter.tsx
+++ b/src/components/combo-filter/combo-filter.tsx
@@ -156,6 +156,7 @@ export class ComboFilter {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/components/combo-native/combo-native.tsx b/src/components/combo-native/combo-native.tsx
index 72f0e0a..fb74c3c 100644
--- a/src/components/combo-native/combo-native.tsx
+++ b/src/components/combo-native/combo-native.tsx
@@ -55,14 +55,16 @@ export class ComboNative {
 
     return ([
       <label htmlFor={htmlId} class="combo-label">{label}</label>,
-      <select
-        id={htmlId}
-        class="combo combo-input"
-        required={required ? true: null }
-        onChange={(event: Event) => this.selectHandler((event.target as HTMLSelectElement).value)}
-      >
-        {options.map((option) => <option value={option.value}>{option.name}</option>)}
-      </select>
+      <div class="combo">
+        <select
+          id={htmlId}
+          class="combo-input"
+          required={required ? true: null }
+          onChange={(event: Event) => this.selectHandler((event.target as HTMLSelectElement).value)}
+        >
+          {options.map((option) => <option value={option.value}>{option.name}</option>)}
+        </select>
+      </div>
     ]);
   }
 }
\ No newline at end of file
diff --git a/src/components/combo-nofilter/combo-nofilter.tsx b/src/components/combo-nofilter/combo-nofilter.tsx
index 80d0a1e..bdd59e7 100644
--- a/src/components/combo-nofilter/combo-nofilter.tsx
+++ b/src/components/combo-nofilter/combo-nofilter.tsx
@@ -143,6 +143,7 @@ export class ComboNoFilter {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/components/combo-noinput/combo-noinput.tsx b/src/components/combo-noinput/combo-noinput.tsx
index d7d1bd0..f11391f 100644
--- a/src/components/combo-noinput/combo-noinput.tsx
+++ b/src/components/combo-noinput/combo-noinput.tsx
@@ -116,6 +116,7 @@ export class ComboNoInput {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Type:
       this.activeIndex = Math.max(0, getIndexByLetter(this.options, key));
diff --git a/src/components/combo-readonly/combo-readonly.tsx b/src/components/combo-readonly/combo-readonly.tsx
index db1cc94..ccb6543 100644
--- a/src/components/combo-readonly/combo-readonly.tsx
+++ b/src/components/combo-readonly/combo-readonly.tsx
@@ -128,6 +128,7 @@ export class ComboReadonly {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Type:
         this.activeIndex = Math.max(0, getIndexByLetter(this.options, key));
diff --git a/src/components/listbox-button/listbox-button.tsx b/src/components/listbox-button/listbox-button.tsx
index a737a1f..b94eab7 100644
--- a/src/components/listbox-button/listbox-button.tsx
+++ b/src/components/listbox-button/listbox-button.tsx
@@ -164,6 +164,7 @@ export class ListboxButton {
       case MenuActions.CloseSelect:
         this.selectOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Type:
         this.activeIndex = Math.max(0, getIndexByLetter(this.options, key));
diff --git a/src/components/multiselect-buttons/multiselect-buttons.tsx b/src/components/multiselect-buttons/multiselect-buttons.tsx
index ff74887..b003624 100644
--- a/src/components/multiselect-buttons/multiselect-buttons.tsx
+++ b/src/components/multiselect-buttons/multiselect-buttons.tsx
@@ -180,8 +180,10 @@ export class MultiselectButtons {
         event.preventDefault();
         return this.onOptionChange(getUpdatedIndex(this.activeIndex, max, action));
       case MenuActions.CloseSelect:
+        event.preventDefault();
         return this.updateOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/components/multiselect-csv/multiselect-csv.tsx b/src/components/multiselect-csv/multiselect-csv.tsx
index 9050813..5a63ef7 100644
--- a/src/components/multiselect-csv/multiselect-csv.tsx
+++ b/src/components/multiselect-csv/multiselect-csv.tsx
@@ -167,8 +167,10 @@ export class MultiselectCSV {
         event.preventDefault();
         return this.onOptionChange(getUpdatedIndex(this.activeIndex, max, action));
       case MenuActions.CloseSelect:
+        event.preventDefault();
         return this.updateOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/components/multiselect-inline/multiselect-inline.tsx b/src/components/multiselect-inline/multiselect-inline.tsx
index 0f4d125..529a8ef 100644
--- a/src/components/multiselect-inline/multiselect-inline.tsx
+++ b/src/components/multiselect-inline/multiselect-inline.tsx
@@ -186,8 +186,10 @@ export class MultiselectInline {
         event.preventDefault();
         return this.onOptionChange(getUpdatedIndex(this.activeIndex, max, action));
       case MenuActions.CloseSelect:
+        event.preventDefault();
         return this.updateOption(this.activeIndex);
       case MenuActions.Close:
+        event.preventDefault();
         return this.updateMenuState(false);
       case MenuActions.Open:
         return this.updateMenuState(true);
diff --git a/src/pizza.html b/src/pizza.html
deleted file mode 100644
index 56c4317..0000000
--- a/src/pizza.html
+++ /dev/null
@@ -1,36 +0,0 @@
-<!DOCTYPE html>
-<html dir="ltr" lang="en">
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0">
-  <title>Order Pizza</title>
-  <link rel="stylesheet" href="/style.css"></style>
-  <script src="/build/caiacc.js"></script>
-</head>
-<body>
-  <div class="example-form">
-    <h1 id="page-title">Find a Pizza Store</h1>
-
-    <form aria-labelledby="page-title" novalidate>
-  
-      <combo-nofilter label="State" class="state-select"></combo-nofilter>
-  
-      <combo-readonly label="Store" class="store-select"></combo-readonly>
-    </form>
-  </div>
-
-  <script type="module">
-    import { states } from './assets/stateData.js';
-
-    const stateCombo = document.querySelector('.state-select');
-    stateCombo.options = states;
-
-    const storeCombo = document.querySelector('.store-select');
-    storeCombo.options = [{ name: 'Amherst', value: 'amherst'}, { name: 'Hadley', value: 'hadley'}, { name: 'Northampton', value: 'northampton'}, { name: 'Greenfield', value: 'greenfield'}];
-
-    const multiCombo = document.querySelector('.multi-select');
-    multiCombo.options = countries;
-  </script>
-
-</body>
-</html>
diff --git a/src/shared/combo-base.css b/src/shared/combo-base.css
index 7c49246..508024b 100644
--- a/src/shared/combo-base.css
+++ b/src/shared/combo-base.css
@@ -22,8 +22,8 @@ body {
 }
 
 .combo::after {
-  border-bottom: 1px solid rgba(0,0,0,.42);
-  border-right: 1px solid rgba(0,0,0,.42);
+  border-bottom: 2px solid rgba(0,0,0,.5);
+  border-right: 2px solid rgba(0,0,0,.5);
   content: '';
   display: block;
   height: 12px;
@@ -37,7 +37,7 @@ body {
 
 .combo-input {
   background-color: #f5f5f5;
-  border: 1px solid rgba(0,0,0,.42);
+  border: 2px solid rgba(0,0,0,.5);
   border-radius: 4px;
   display: block;
   min-height: calc(1.4em + 26px);
@@ -46,6 +46,12 @@ body {
   width: 100%;
 }
 
+select.combo-input {
+  -webkit-appearance: none;
+  -moz-appearance: none;
+  appearance: none;
+}
+
 .open .combo-input {
   border-radius: 4px 4px 0 0;
 }
diff --git a/src/style.css b/src/style.css
index 0de3aef..162a4aa 100644
--- a/src/style.css
+++ b/src/style.css
@@ -8,6 +8,7 @@
 }
 
 body {
+  background-color: #f5f5f5;
   font-family: "Segoe UI", SegoeUI, "Helvetica Neue", Helvetica, Arial, sans-serif;
   font-size: 18px;
   line-height: 1.4em;
@@ -16,7 +17,8 @@ body {
 }
 
 .example-form {
-  border: 1px solid #ccc;
+  background-color: #fff;
+  border: 1px solid rgba(0,0,0,.5);
   border-radius: 5px;
   max-width: 460px;
   margin: 100px auto;
@@ -26,17 +28,30 @@ body {
 .example-form h1 {
   font-size: 2rem;
   line-height: 1.1;
+  margin: 0 0 1em;
 }
 
-input[type=text] {
-  background-color: #f5f5f5;
-  border: 1px solid rgba(0,0,0,.42);
+.example-form label {
+  font-weight: bold;
+  margin-top: 1em;
+}
+
+.example-form button[type=submit] {
+  background-color: #0067b8;
+  border: 1px solid #fff;
   border-radius: 4px;
-  display: block;
-  min-height: calc(1.4em + 26px);
-  padding: 12px 16px 14px;
-  text-align: left;
-  width: 100%;
+  color: #fff;
+  display: inline-block;
+  font-size: 1.1rem;
+  font-weight: bold;
+  margin-top: 1.5em;
+  padding: 0.5em 0.75em;
+  text-transform: uppercase;
+}
+
+.example-form button[type=submit]:focus {
+  box-shadow: 0 0 6px 2px #0067b8;
+  outline: 4px solid transparent;
 }
 
 .form-input {
diff --git a/src/travel.html b/src/travel.html
deleted file mode 100644
index ddbe77c..0000000
--- a/src/travel.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!DOCTYPE html>
-<html dir="ltr" lang="en">
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0">
-  <title>Travel profile form</title>
-  <link rel="stylesheet" href="/style.css"></style>
-  <script src="/build/caiacc.js"></script>
-</head>
-<body>
-  <div class="example-form">
-    <h1 id="page-title">Create your travel profile</h1>
-
-    <form aria-labelledby="page-title" novalidate>
-      <label for="name">Name (required)</label>
-      <input type="text" class="form-input" id="name" required>
-  
-      <combo-native label="Gender (required)" required="true" class="gender-select form-input"></combo-native>
-  
-      <combo-filter label="Current country of residence" class="country-select form-input"></combo-filter>
-  
-      <multiselect-csv label="I want to visit (choose all countries that apply):" class="multi-select form-input"></multiselect-csv>
-    </form>
-  </div>
-
-  <script type="module">
-    import { states } from './assets/stateData.js';
-    import { countries } from './assets/countryData.js';
-
-    const genderCombo = document.querySelector('.gender-select');
-    genderCombo.options = [{ name: 'Female', value: 'f' }, { name: 'Male', value: 'm' }, { name: 'Other', value: 'o' }, { name: 'Prefer not to say', value: 'na' }];
-
-    const countryCombo = document.querySelector('.country-select');
-    countryCombo.options = countries;
-
-    const multiCombo = document.querySelector('.multi-select');
-    multiCombo.options = countries;
-  </script>
-
-</body>
-</html>
diff --git a/stencil.config.ts b/stencil.config.ts
index 9d9fb91..9e76886 100644
--- a/stencil.config.ts
+++ b/stencil.config.ts
@@ -9,5 +9,10 @@ export const config: Config = {
       type: 'www',
       serviceWorker: null // disable service workers
     }
+  ],
+  copy: [
+    { src: 'assets' },
+    { src: 'studies' },
+    { src: 'style.css' }
   ]
 };