子选择器

由 CyanHall.com 创建于 2020-11-13，上次更新：2021-04-30。
👉

class-one和 class-two 两个类的不同效果:

    .class-two {
  width: 100px;
  height: 100px;
}
.class-one.class-two {
  background-color: grey;
}
.class-one .class-two {
  background-color: brown;
}
.class-one > .class-two {
  background-color: orange;
}

    <div class="class-one class-two">
</div>

    <div class="class-one">
  <div class="class-two">
  </div>
</div>

    <div class="class-one">
  <div>
    <div class="class-two">
    </div>
  </div>
</div>