edit pass on T3,4,5, updated images

src/site/docs/tutorials/add-elements/examples/todo/todo.css

Index: src/site/docs/tutorials/add-elements/examples/todo/todo.css
diff --git a/src/site/docs/tutorials/add-elements/examples/todo/todo.css b/src/site/docs/tutorials/add-elements/examples/todo/todo.css
new file mode 100644
index 0000000000000000000000000000000000000000..f27b40f11e4834414598c4542ff8965690073033
--- /dev/null
+++ b/src/site/docs/tutorials/add-elements/examples/todo/todo.css
@@ -0,0 +1,27 @@
+body {
+  font-family: 'Open Sans', sans-serif;
+  background-color: WhiteSmoke;
+  margin: 15px;
+}
+
+#to-do-input {
+  font-family: 'Open Sans', sans-serif;
+  font-size: 14px;
+  font-weight: normal;
+  padding: 5px 0px 5px 5px;
+  width: 100%;
+  border: 1px solid Silver;
+  background-color: White;
+}
+
+#to-do-list {
+  padding:0px;
+  margin:0px;
+  list-style-position:inside;
+}
+
+#to-do-list li {
+  padding:5px 0px 5px 5px;
+  border-bottom: 1px dotted Silver;
+}
+