JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
  <li>
    <div class="item">
      <strong>My Label</strong><p class="text">My text here</p>
    </div>
  <li>
    <div class="item">
      <strong>My Label</strong><p class="text">My text here</p>
    </div>
    <div class="item">
      <strong>My Label</strong><p class="text">My long text here My long text here My long text here My long text here My long text here</p>
    </div>
    <div class="item">
      <strong>My Label</strong><p class="text">My text here</p>
    </div>
</ul>

CSS

ul {
  padding-top: 8px;
  padding-left: 0px;
  margin: 0;
  list-style: none;
  border-top: 2px solid #000000;
  display: block;

}

li {
  width: 50%;
  display: inline-block;
  vertical-align: top;
  margin-bottom: 4px;
}

.item {
  margin-bottom: 10px;
}

.item strong,
.item .text {
  display: inline-block;
  vertical-align: top;
}

.item strong {
  width: 40%;
  display: inline-block;
  white-space: nowrap;
}

.item strong::after {
  content: ':';
}

.item .text {
  width: 60%;
  padding: 0;
  margin: 0;
}