翻转CSS泡泡三角位置？

Question

HTML:

<blockquote class="rectangle-speech-border">
    <p>This is a blockquote that is styled to look like a speech bubble</p>
</blockquote>

CSS:

.rectangle-speech-border {
  position:relative;
  padding:50px 15px;
  margin:1em 0 3em;
  border:10px solid #5a8f00;
  text-align:center;
  color:#333;
  background:#fff;
  /* css3 */
  -webkit-border-radius:20px;
  -moz-border-radius:20px;
  border-radius:20px;
}

/* creates larger curve */
.rectangle-speech-border:before {
  content:"";
  position:absolute;
  z-index:10;
  bottom:-40px;
  left:50px;
  width:50px;
  height:30px;
  border-style:solid;
  border-width:0 10px 10px 0;
  border-color:#5a8f00;
  background:transparent;
  /* css3 */
  -webkit-border-bottom-right-radius:80px 50px;
  -moz-border-radius-bottomright:80px 50px;
  border-bottom-right-radius:80px 50px;
  /* reduce the damage in FF3.0 */
  display:block;
}

/* creates smaller curve */
.rectangle-speech-border:after {
  content:"";
  position:absolute;
  z-index:10;
  bottom:-40px;
  left:50px;
  width:20px;
  height:30px;
  border-style:solid;
  border-width:0 10px 10px 0;
  border-color:#5a8f00;
  background:transparent;
  /* css3 */
  -webkit-border-bottom-right-radius:40px 50px;
  -moz-border-radius-bottomright:40px 50px;
  border-bottom-right-radius:40px 50px;
  /* reduce the damage in FF3.0 */
  display:block;
}

/* creates a small circle to produce a rounded point where the two curves meet */
.rectangle-speech-border > :first-child:before {
  content:"";
  position:absolute;
  bottom:-40px;
  left:45px;
  width:10px;
  height:10px;
  background:#5a8f00;
  /* css3 */
  -webkit-border-radius:10px;
  -moz-border-radius:10px;
  border-radius:10px;
}

/* creates a white rectangle to cover part of the oval border*/
.rectangle-speech-border > :first-child:after {
  content:"";
  position:absolute;
  bottom:-10px;
  left:76px;
  width:24px;
  height:15px;
  background:#fff;
}

示例取自：Nicolas Gallagher

基本上这个文本气泡是向左和左下角弯曲的。我想完全复制它，只是将它放在右下角并向右弯曲。随便翻一下。

我试过将右转为左转，但没有成功。谁能告诉我需要改变什么才能翻转这个泡沫？

Answer 1

你是这个意思吗？

如果你想改变几何形状，你应该尝试使用 border-width 和 border-radius。此外，我将伪 class 从 :after 更改为 :before，反之亦然，元素和 border-radius 从右到左。

.rectangle-speech-border {
  position:relative;
  padding:50px 15px;
  margin:1em 0 3em;
  border:10px solid #5a8f00;
  text-align:center;
  color:#333;
  background:#fff;
  /* css3 */
  -webkit-border-radius:20px;
  -moz-border-radius:20px;
  border-radius:20px;
}

/* creates larger curve */
.rectangle-speech-border:after {
  content:"";
  position:absolute;
  z-index:10;
  bottom:-40px;
  left:400px;
  width:20px;
  height:30px;
  border-style:solid;
  border-width:0 0 10px 10px;
  border-color:#5a8f00;
  background:transparent;
  /* css3 */
  -webkit-border-bottom-left-radius:40px 50px;
  -moz-border-bottom-left-radius:40px 50px;
  border-bottom-left-radius:40px 50px;
  /* reduce the damage in FF3.0 */
  display:block;
}

/* creates smaller curve */
.rectangle-speech-border:before {
  content:"";
  position:absolute;
  z-index:10;
  left:370px;
  width:50px;
  height:30px;
  bottom: -40px;
  border-style:solid;
  border-width:0 0 10px 10px;
  border-color:#5a8f00;
  background:transparent;
  /* css3 */
  -webkit-border-bottom-left-radius:40px 50px;
  -moz-border-bottom-left-radius:40px 50px;
  border-bottom-left-radius:40px 50px;
  /* reduce the damage in FF3.0 */
  display:block;
}

/* creates a small circle to produce a rounded point where the two curves meet */
.rectangle-speech-border > :first-child:before {
  content:"";
  position:absolute;
  bottom:-40px;
  left:425px;
  width:10px;
  height:10px;
  background:#5a8f00;
  /* css3 */
  -webkit-border-radius:10px;
  -moz-border-radius:10px;
  border-radius:10px;
}

/* creates a white rectangle to cover part of the oval border*/
.rectangle-speech-border > :first-child:after {
  content:"";
  position:absolute;
  bottom:-10px;
  left:376px;
  width:24px;
  height:15px;
  background:#fff;
}

<blockquote class="rectangle-speech-border">
    <p>This is a blockquote that is styled to look like a speech bubble</p>
</blockquote>

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