js updates

docs/step1-02/index.html

@@ -5,7 +5,7 @@
     <h1>todos</h1>
     <input class="textfield" placeholder="add todo" /><button class="button add">Add</button>
     <div class="filter">
-      <button class="active">all</button>
+      <button class="selected">all</button>
       <button>active</button>
       <button>completed</button>
     </div>

docs/step1-02/style.css

@@ -1,5 +1,5 @@
 body {
-  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
+  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   width: 400px;
   margin: 20px auto;
 }
@@ -28,7 +28,7 @@ h1 {
   background: transparent;
   border: none;
 }
-.filter .active {
+.filter .selected {
   border-bottom: 2px solid blue;
 }