Question

我正在尝试为网格系统中的图像创建标题叠加层。所以我得到的是我的图像网格位置很好，但没有标题覆盖。我尝试运行它一次，并且覆盖层不仅覆盖了页面运行，而且覆盖了整个网格。但是现在我可以很好地定位图像了，但标题覆盖了。我对此有疑问。

这是我的代码：

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  grid-gap: 30px;
  align-items: stretch;
}

.grid img {
  display: block;
  width: 100%;
  height: auto;
}

.grid:hover.overlay {
  opacity: 1;
}

.overlay {
  position: absolute;
  bottom: 0;
  background: rgb(0, 0, 0);
  background: rgba(0, 0, 0, 0.5);
  /* Black see-through */
  color: #f1f1f1;
  width: 100%;
  transition: .0s ease;
  opacity: 0;
  color: white;
  font-size: 20px;
  padding: 20px;
  text-align: center;
}

<div class="grid">
  <div id="container">
    <img class="img-fluid" src="Images/course1.jpg">
  </div>
  <div class="overlay">
    <p>Soft Skill: Research Writing</p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course2.jpg">
  </div>
  <div class="overlay">
    <p>Research Writing</p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course3.jpg">
  </div>
  <div class="overlay">
    <p>Soft-Skill: Presentation Skill</p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course4.jpg">
  </div>
  <div class="overlay">
    <p>Presentation Skill</p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course5.jpg">
  </div>
  <div class="overlay">
    <p>
      Web Development Fundamentals: HTML 5 and CSS3
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course6.jpg">
  </div>
  <div class="overlay">
    <p>
      PC Hardware Technology & Assembly
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course7.jpg">
  </div>
  <div class="overlay">
    <p>
      Web Development Intermediate: JavaScript and jQuery
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course8.jpg">
  </div>
  <div class="overlay">
    <p>
      Windows XP, 7, 8 & 10 Installation
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course9.jpg">
  </div>
  <div class="overlay">
    <p>
      Responsive Web Development: Boostrap
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course10.jpg">
  </div>
  <div class="overlay">
    <p>
      Printer Troubleshoot & Maintenance
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course11.jpg">
  </div>
  <div class="overlay">
    <p>
      Programming: C# Object-Oriented Programming
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course12.jpg">
  </div>
  <div class="overlay">
    <p>
      Laptop Troubleshoot and Maintenance
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course13.jpg">
  </div>
  <div class="overlay">
    <p>
      Programming: C# Programming
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course14.jpg">
  </div>
  <div class="overlay">
    <p>
      Mobile Devices Services and Repairs
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course15.jpg">
  </div>
  <div class="overlay">
    <p>
      Web Programming: PHP Fundamentals
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course16.jpg">
  </div>
  <div class="overlay">
    <p>
      CCTV Technology and Installation
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course17.jpg">
  </div>
  <div class="overlay">
    <p>
      Programming: C#
    </p>
  </div>
  <div id="container">
    <img class="img-fluid" src="Images/course18.jpg">
  </div>
  <div class="overlay">
    <p>
      Programming: ASP.NET MVC 5 Fundamentals
    </p>
  </div>
</div>

结果：

Answer 1

您是否正在寻找类似的东西？如果是，请尝试创建一个父div和一个子div，因此可以通过添加bg图像并为其添加叠加层来解决以下代码中所示的这种方式。
您可以查看以不同方式simple image hover overlay

.parent {
  width: 100%;
  height: 300px;
  overflow: hidden;
  position: relative;
  float: left;
  /* display: inline-block; */
  cursor: pointer;
}

.child {
  height: 100%;
  width: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-transition: all .5s;
  -moz-transition: all .5s;
  -o-transition: all .5s;
  transition: all .5s;
}

.bg-four {
  background: url(https://www.thalesgroup.com/sites/default/files/styles/article_card/public/database/d7/e-services_modified_1.jpg?itok=DkaYx8h8) no-repeat center center;
  background-size: cover;
}

.bg-five {
  background: url(https://www.thalesgroup.com/sites/default/files/styles/article_card/public/database/d7/e-services_modified_1.jpg?itok=DkaYx8h8) no-repeat center center;
  background-size: cover;
}

.bg-six {
  background: url(https://www.thalesgroup.com/sites/default/files/styles/article_card/public/database/d7/e-services_modified_1.jpg?itok=DkaYx8h8) no-repeat center center;
  background-size: cover;
}

.child a {
  display: none;
  font-size: 19px;
  color: #ffffff !important;
  font-family: 'Playfair Display', serif;
  text-align: center;
  margin: auto;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  height: 50px;
  cursor: pointer;
  text-decoration: none;
  width: fit-content;
}

.child a:after {
  position: absolute;
  content: '';
  height: 2px;
  bottom: 15px;
  margin: 0 auto;
  left: 0;
  right: 0;
  width: 100%;
  background: yellow;
}

.parent:hover .child,
.parent:focus .child {
  -ms-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -o-transform: scale(1.1);
  transform: scale(1.1);
}

.parent:hover .child:before,
.parent:focus .child:before {
  display: block;
}

.parent:hover a,
.parent:focus a {
  display: block;
  text-decoration: none;
}

.child:before {
  content: "";
  display: none;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgb(0, 0,0, 0.8);
}

<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
<div class="container-fluid">
  <div class="row">
    <div class="col-sm-4">
      <div class="parent " onclick="">
        <div class="child bg-four">
          <a href="#">1</a>
        </div>
      </div>
    </div>
    <div class="col-sm-4">
      <div class="parent " onclick="">
        <div class="child bg-five">
          <a href="#">2</a>
        </div>
      </div>
    </div>
    <div class="col-sm-4">
      <div class="parent" onclick="">
        <div class="child bg-six">
          <a href="#">3</a>
        </div>
      </div>
    </div>
  </div>
</div>

如何为网格图像创建标题叠加？

1 个答案: