CSS 用虚线连接圆圈

问题描述 投票：0回答：1

我有四个矩形，每个矩形内都有一个圆。我试图用虚线连接这些圆圈，但线停在中间，我不知道为什么。 另外为什么我的第一个矩形被切成两半？

这是一个代码笔：https://codepen.io/onche-onche/pen/LYoZBex

这是代码：

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #e0e0e0;
}

.quatre-rectangles {
  width: 50%;
  position: relative;
}

.rectangle {
  height: 19em;
  margin: 1em 0;
  background-color: #fef1f2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  justify-content: center;
  border-radius: 40px;
  padding: 1em;
  box-sizing: border-box;
}

.rectangle:first-child {
  margin-top: 400px;
}

.circle {
  width: 3em;
  height: 3em;
  background-color: #41be54;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 1.5em;
  font-family: 'Lexend Deca', sans-serif;
  position: relative;
  z-index: 1;
  margin-top: 1em;
  align-self: center;
}

.rectangle:not(:last-child) .circle::after {
  content: "";
  position: absolute;
  bottom: -7em;
  left: 50%;
  width: 0;
  height: 8em;
  border-left: 4px dotted #41be54;
  transform: translateX(-50%);
  z-index: 0;
  opacity: 0.5;
}
<body>
  <div class="quatre-rectangles">
    <div class="rectangle">
      <div class="circle">1</div>
    </div>

    <div class="rectangle">
      <div class="circle">2</div>
    </div>

    <div class="rectangle">
      <div class="circle">3</div>
    </div>

    <div class="rectangle">
      <div class="circle">4</div>
    </div>
  </div>
</body>

我尝试改变它的高度：

.rectangle:not(:last-child) .circle::after {

但是我得到了一些奇怪的结果

html css
1个回答
0
投票

这是因为您硬编码了虚线的高度，而硬编码的高度与圆之间的正确距离不匹配。您可以简单地将它放在矩形下方，这样它就可以使用矩形高度。

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background-color: #e0e0e0;
}

.quatre-rectangles {
  width: 50%;
  position: relative;
}

.rectangle {
  height: 19em;
  margin: 1em 0;
  background-color: #fef1f2;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  display: flex;
  justify-content: center;
  border-radius: 40px;
  padding: 1em;
  box-sizing: border-box;
}

.rectangle:first-child {
  margin-top: 400px;
}

.circle {
  width: 3em;
  height: 3em;
  background-color: #41be54;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 1.5em;
  font-family: 'Lexend Deca', sans-serif;
  position: relative;
  z-index: 2;
  margin-top: 1em;
  align-self: center;
}

.rectangle:not(:last-child)::before {
  content: "";
  position: absolute;
  /* bottom: -7em; */
  top: 50%;
  left: 50%;
  width: 0;
  height: 100%;
  border-left: 4px dotted #41be54;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0.5;
}
<div class="quatre-rectangles">
  <div class="rectangle">
    <div class="circle">1</div>
  </div>

  <div class="rectangle">
    <div class="circle">2</div>
  </div>

  <div class="rectangle">
    <div class="circle">3</div>
  </div>

  <div class="rectangle">
    <div class="circle">4</div>
  </div>
</div>

或者，如果您需要将矩形边距调整为大于圆形，您可以使用自定义属性来调整线条的高度。

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