将鼠标悬停在图像上会出现 2 个元素

Question

我的主要问题是如何让鼠标悬停在图像上时出现 2 个元素。

代码产生：蓝色 div 覆盖的空间比悬停时两列的一半还要多。我认为这是因为跨度在静态而不是悬停模式下占用空间。此外，尽管容器 div 上有“align-items:center”，但 span 并未在蓝色 div 内水平居中。

.main {
  margin: 50px;
  width: 100%;
  height: 800px;
  background-color: red;
}

.wrapper {
  margin: 15px;
}

.row {
  display: flex;
  flex-direction: row;
  width: 100%;
  gap: 15px;
}

.column {
  display: flex;
  flex-direction: column;
  flex-basis: 100%;
  flex: 1;
  gap: 15px;
}

.rollover {
  background-color: white;
}

.layer {
  background-color: white;
  font-family: Georgia;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
}

.rollover:hover .layer {
  visibility: visible;
  background-color: blue;
  height: 100%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.layer span {
  display: none;
  color: black;
}

.layer:hover span {
  display: inline;
  font-size: 36px;
  font-family: Georgia;
  color: white;
  z-index: 100;
}

.rollover:hover img {
  visibility: hidden;
}

<body>
  <div class="main"></div>
  <div class="wrapper">
    <div class="row">a
      <div class="column rollover">
        <div class="layer"><img src="https://img.creator-prod.zmags.com/assets/images/648afc28b6fc7c5ba75cf2ab.jpeg?im=Resize,width=768"><span>The Alex</span></div>
      </div>
      <div class="column"><img src="https://img.creator-prod.zmags.com/assets/images/648afc28b6fc7c5ba75cf2ab.jpeg?im=Resize,width=768"></div>
    </div>
  </div>
</body>

Answer 1

我假设您希望这两个元素位于同一位置，因此我们可以使用网格，然后将它们放在同一行/列 1 中。

首先重置一些基础知识。

删除一些 CSS。

html,
body {
  margin: 0;
  padding: 0;
}

body {
  /*  viewportunits to cover page fully */
  height: 100vh;
  width: 100vw;
}

* {
  /* include border and padding in element width and height */
  box-sizing: border-box;
}

.main {
  margin: 50px;
  width: 50vw;
  height: 50vw;
  background-color: red;
}

.wrapper {
  margin: 1rem;
  border: solid #00FF00 1px;
  height: 100%;
}

.row {
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 1fr 1fr;
  column-gap: 1rem;
  height: 100%;
}

.column {
  height: 100%;
  display: grid;
  grid-template-rows: 1fr;
  grid-template-columns: 1fr;
  place-items: center;
}

.column.rollover .layer>* {
  grid: 1/1;
}

.row img {
  width: 100%;
}

.layer {
  font-family: Georgia;
  color: white;
  font-size: 36px;
  color: white;
  display: grid;
  place-items: center;
  height: 100%;
  width: 100%;
  background-color: blue;
}

.layer span {
  display: none;
}

.rollover:hover .layer span {
  display: block;
}

.rollover:hover .layer img {
  display: none;
}

<body>
  <div class="main"></div>
  <div class="wrapper">
    <div class="row">
      <div class="column rollover">
        <div class="layer"><img src="https://img.creator-prod.zmags.com/assets/images/648afc28b6fc7c5ba75cf2ab.jpeg?im=Resize,width=768"><span>The Alex</span></div>
      </div>
      <div class="column"><img src="https://img.creator-prod.zmags.com/assets/images/648afc28b6fc7c5ba75cf2ab.jpeg?im=Resize,width=768"></div>
    </div>
  </div>
</body>

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