表情符号导致行高发生变化

<p>Alternatively, you can use percentages, which
   will be calculated with respect to the width of the generated box's
   containing block. &#128517;Therefore, assuming the container's width
   is greater than the image's height, margin: -50% 0 should be enough.
   Hide code snippet
</p>

p {
  line-height: 20px !important;
}

<p>Alternatively, you can use percentages, which
   will be calculated with respect to the width of the generated box's
   containing block. &#128517;Therefore, assuming the container's width
   is greater than the image's height, margin: -50% 0 should be enough.
   Hide code snippet
</p>