纯CSS：悬停文字上方的中心工具提示pt。 2 [英] Pure CSS: Center Tooltip Above Text On Hover pt. 2

问题描述

扩展

  .drag-hint {position：relative;边距：50px;显示：inline-block;填充：0 1em;边框：1px纯红色； / *以供参考* /}。drag-hint>跨度{背景：黑色；白颜色;空白：nowrap; display：none;}。drag-hint：hover>跨度{display：inline-block;位置：绝对；顶部：-25px；左：50％；转换：translateX（-50％）; text-align：center;}  

 < span class = 拖曳提示> < span>拖动拖动拖动拖动< / span>将鼠标悬停在< / span>< span class = drag-hint> < span& Lorem ipsum dolor坐着，安全地服从精英。 > 
Expanding on Pure CSS: Center Tooltip Above Text On Hover -- how does one make the tooltip hover centered relative to its container if the tooltip is wider than said container?

http://jsbin.com/idudal/24/edit

Ie. this (where drag drag drag gets cut off):



Should appear as:



HTML:
<span id="test" class="drag-hint"><span>drag drag drag drag drag</span>Hover me</span>
CSS:
.drag-hint {
  position:relative;
  margin: 50px;
}
.drag-hint > span {
  background: black;
  color: white;
  white-space: nowrap;
  display:none;
}
.drag-hint:hover > span {
  display: inline;
  position:absolute;
  top: -25px;
  left: 0;
  right: 0;
  text-align: center;
}

解决方案
Here's the simplest solution using CSS3 transform.

JSfiddle Demo



.drag-hint {
  position: relative;
  margin: 50px;
  display: inline-block;
  padding: 0 1em;
  border: 1px solid red;
  /* for visual reference */
}
.drag-hint > span {
  background: black;
  color: white;
  white-space: nowrap;
  display: none;
}
.drag-hint:hover > span {
  display: inline-block;
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

<span class="drag-hint">
    <span>drag drag drag drag drag</span>
Hover me</span>


<span class="drag-hint">
    <span>Lorem ipsum dolor sit amet, consectetur adipisicing elit.</span>
Hover me</span>





                        
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