如何使用 CSS 在悬停时向图像添加工具提示

CSS

div.click-to-top span {显示:无；位置:绝对；底部:0；左:0；右:0；背景:#333；颜色:#fff;}div.click-to-top:hover span {显示:块；}

<块引用>

HTML

<div class="click-to-top"><img src="http://lorempicsum.com/futurama/350/200/1"alt="图像 1";/><span>工具提示文本</span></div>

小提琴

I have three images, on hover they increase in size using :hover in css. When a user hovers over the image I'd also like a tooltip to appear with a description of the image (I should also be able to position the tooltip).

HTML

<div class="bottle-container">
<div class="click-to-top"><img src="image-1.png" alt="Image 1" />Tooltip text</div>
<div class="click-to-top" style="z-index:5;"><img src="image-2.png" alt="Image 2" /></div>
<div class="click-to-top last"><img src="image-3.png" alt="Image 3" /></div>
</div>

CSS

container{
max-width:600px;
margin:0 auto;
min-height:450px;
}

div.click-to-top {
display:inline-block;
position:relative;
max-width:160px;
}

div.click-to-top:hover{
z-index:10;
}

div.click-to-top img{
-webkit-transition: all 0.8s;
moz-transition: all 0.8s;
transition: all 0.8s;
width:130px;
}

div.click-to-top img:hover{
width:140px;
z-index:10;
}

You can wrap the text into a <span></span> and show it on parent :hover

CSS

div.click-to-top span {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: #333;
  color: #fff;
}

div.click-to-top:hover span {
  display: block;
}

HTML

<div class="click-to-top">
  <img src="http://lorempicsum.com/futurama/350/200/1" alt="Image 1" />
  <span>Tooltip text</span>
</div>

Fiddle

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