如何用css完成简单个人网页布局

<div class="container">
  <header>我的名字</header>
  <nav>
    <a href="#about">关于我</a>
    <a href="#skills">技能</a>
    <a href="#projects">项目</a>
  </nav>
  <section id="about">这里是简介</section>
  <section id="skills">掌握的技能</section>
  <section id="projects">做过的项目</section>
  <footer>联系方式 © 2024</footer>
</div>

.container {
  width: 80%;
  max-width: 960px;
  margin: 0 auto;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}
header {
  text-align: center;
  padding: 20px 0;
  font-size: 2em;
  color: #333;
}
nav {
  text-align: center;
  background: #f4f4f4;
  padding: 10px;
}
nav a {
  margin: 0 15px;
  text-decoration: none;
  color: #555;
}
nav a:hover {
  color: #007acc;
}
section {
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}
footer {
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: #777;
}

@media (max-width: 768px) {
  .container {
    width: 95%;
  }
  nav a {
    display: block;
    margin: 10px 0;
  }
}

#projects {
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 8px;
}