Add some minimal styling

resources/public/fonts/M+ Fonts License.txt

@@ -0,0 +1,16 @@
+M+ FONTS                                Copyright (C) 2002-2008 M+ FONTS PROJECT
+
+-
+
+LICENSE_E
+
+
+
+
+These fonts are free softwares.
+Unlimited permission is granted to use, copy, and distribute it, with
+or without modification, either commercially and noncommercially.
+THESE FONTS ARE PROVIDED "AS IS" WITHOUT WARRANTY.
+
+
+http://mplus-fonts.sourceforge.jp/mplus-outline-fonts/

resources/public/style.css

@@ -1,3 +1,10 @@
+@font-face {
+    font-family: 'mplus-1m';
+    font-weight: normal;
+    src: url('fonts/mplus-1m-regular-webfont.woff2') format('woff2'),
+         url('fonts/mplus-1m-regular-webfont.woff') format('woff');
+}
+
 *,
 *::before,
 *::after {
@@ -12,8 +19,60 @@ body {
 }
 
 body {
-    color: #222;
-    line-height: 1.2
+    font-family: 'mplus-1m', monospace;
+    line-height: 1.5;
+    font-size: 18px;
+    color: #444;
+}
+
+h1 {
+    font-size: 18px;
+    color: hsl(240, 100%, 70%);
+    display: inline-block;
+    border-bottom: 2px solid currentcolor;
+    margin: 0
+}
+
+p {
+    margin: 18px 0;
+}
+
+p:first-of-type {
+    margin-top: 24px;
+}
+
+p:last-of-type {
+    margin-bottom: 24px
+}
+
+button {
+    background: hsl(240, 100%, 70%);
+    border-radius: 4px;
+    border: none;
+    padding: 4px 8px;
+    color: #fff;
+    line-height: 24px;
+    font-family: inherit;
+    font-size: inherit;
+}
+
+button:hover {
+    transform: translateY(-1px);
+    cursor: pointer
+}
+
+input {
+    border: none;
+    border-bottom: 2px solid hsl(240, 100%, 70%);
+    color: hsl(240, 100%, 70%);
+    background: none;
+    font-family: inherit;
+    font-size: inherit;
+    height: 30px;
+    line-height: 24px;
+    margin-right: 8px;
+    width: 120px;
+    text-align: center;
 }
 
 #welcome-message {
@@ -46,6 +105,13 @@ body {
     text-align: center;
 }
 
+.capture-container {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-bottom: 28px;
+}
+
 canvas#result {
     /* needs position: absolute so it's rendered above the video */
     position: absolute;
@@ -59,5 +125,6 @@ video#capture {
 
 canvas#result,
 video#capture {
-    transform: scale(-1, 1)
+    transform: scale(-1, 1);
+    border-radius: 4px;
 }