如何用 CSS 制作左侧绿色三角形的气泡样式？

<div>这里是文字内容</div>
<div position="left">这里是文字内容</div>
<div position="top">这里是文字内容</div>
<div position="bottom">这里是文字内容</div>
<div position="right">这里是文字内容</div>

div {
  min-width: 100px;
  min-height: 30px;
  line-height: 30px;
  background: #93ec69;
  padding: 0 10px;
  border-radius: 4px;
  margin: 10px;
  display: inline-block;
  position: relative;
}

div:before {
  content: '';
  width: 8px;
  height: 8px;
  background: #93ec69;
  display: block;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -50%) rotate(45deg);
}

div[position="top"]:before {
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

div[position="bottom"]:before {
  top: 100%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

div[position="left"]:before {
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}