html - DIV 外容器

Question

我对从容器中出来的 div 有问题。当绿色 div 触及页面边缘时，页面不会剪切它，而是添加水平页面移动。我使用 bootstrap4。如何避免这种情况？

感谢您的帮助。

直播:https://jsfiddle.net/Cedec/mu2f0whr/

#section2 img {
  float:right;
}

#section2 {
  margin-top:100px;
}

#section2 h2 {
  color: #323232;
  font-size: 70px;
  font-weight: 800;
  float: left;
  line-height: 80px;
  margin-top: 70px;
}

#section2 p{
  color: #494e53;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  float: left;
  margin-top: 30px;
}


.txt2 {
  margin-left: 50px;
}

.bg2{
  background-color: #00a998;
  height: 320px;
  z-index: -5;
    margin-top: -550px;
    margin-left: 100px;
}

<section id="section2">
      <div class="container">
        <div class="row">
          <div class="col-lg-5">
            <img src="https://image.ibb.co/hGq0Rd/111.png" alt="">
          </div>
          <div class="col-lg-7">
            <div class="txt2">
            <h2>Lorem ipsum dolor sit amet, consectetur</h2>
            <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. </p>
            
            
          </div>
          </div>
        </div>
        <div class="row">
          <div class="col-lg-12 bg2"></div>
        </div>   
      </div>
    </section>

Answer 1

如果我没听错，问题是您覆盖了 col-lg-12 边距，这破坏了它的目的。您应该将您的类“bg2”作为该 col-lg-12 的子级分配给 div，并为其指定一个 position: relative 以将其保留在后台。

https://jsfiddle.net/mu2f0whr/6/