{% extends "layout.html" %}
{% block body %}
<link rel="stylesheet" href="{{static_url('starter-template.css')}}" crossorigin="anonymous">

<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
  <a class="navbar-brand" href="/">wukong-robot</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarsExampleDefault" aria-controls="navbarsExampleDefault" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </but