如何用CSS创建established类选择器实现文本斜体效果

你的代码未生效是因为两个关键问题：

• CSS里定义的类选择器是.p-established，但这和你要创建established类的需求不符；
• 包含“Est. 2020”的<p>标签没有绑定对应的类属性。

修正步骤： #

1. 调整CSS类选择器：把.p-established改为.established，确保选择器名称和需求一致；
2. 给目标元素添加类：在HTML中给<p>Est. 2020</p>标签加上class="established"属性。

修改后的HTML代码： #

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Cafe Menu</title>
    <link href="styles.css" rel="stylesheet"/>
  </head>
  <body>
    <div class="menu">
      <main>
        <h1>CAMPER CAFE</h1>
        <p class="established">Est. 2020</p>
        <section>
          <h2>Coffee</h2>
          <article class="item">
            <p class="flavor">French Vanilla</p><p class="price">3.00</p>
          </article>
          <article class="item">
            <p class="flavor">Caramel Macchiato</p><p class="price">3.75</p>
          </article>
          <article class="item">
            <p class="flavor">Pumpkin Spice</p><p class="price">3.50</p>
          </article>
          <article class="item">
            <p class="flavor">Hazelnut</p><p class="price">4.00</p>
          </article>
          <article class="item">
            <p class="flavor">Mocha</p><p class="price">4.50</p>
          </article>
        </section>
        <section>
          <h2>Desserts</h2>
          <article class="item">
            <p class="dessert">Donut</p><p class="price">1.50</p>
          </article>
          <article class="item">
            <p class="dessert">Cherry Pie</p><p class="price">2.75</p>
          </article>
          <article class="item">
            <p class="dessert">Cheesecake</p><p class="price">3.00</p>
          </article>
          <article class="item">
            <p class="dessert">Cinnamon Roll</p><p class="price">2.50</p>
          </article>
        </section>
      </main>
    </div>
  </body>
</html>

修改后的CSS代码： #

body {
  background-image: url(https://cdn.freecodecamp.org/curriculum/css-cafe/beans.jpg);
  font-family: sans-serif;
}
.established {
   font-style: italic;
}

h1, h2, p {
  text-align: center;
}

.menu {
  width: 80%;
  background-color: burlywood;
  margin-left: auto;
  margin-right: auto;
  padding: 20px;
  max-width: 500px;
}

h1, h2 {
  font-family: Impact, serif;
}

.item p {
  display: inline-block;
}

.flavor, .dessert {
  text-align: left;
  width: 75%;
}

.price {
  text-align: right;
  width: 25%
}

内容的提问来源于stack exchange，提问作者Adam Mauray