Fix demo css

Author: isnifer

docs/index.html

@@ -14,12 +14,29 @@
     html, body {
       font-family: Roboto;
       font-size: 16px;
+      min-height: 100%;
+      margin: 0;
+      padding: 0;
     }
 
     pre {
       font-family: 'Space Mono', monospace;
     }
 
+    .wrapper {
+      display: flex;
+      flex-direction: row;
+    }
+
+    .form {
+      width: 500px;
+      margin-right: 150px;
+    }
+
+    .values {
+      width: 200px;
+    }
+
     .github-corner:hover .octo-arm{
       animation: octocat-wave 560ms ease-in-out;
     }