JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
  <li><input type="number" value="1"></li>
  <li>A very long text description goes here</li>
  <li>$99.90</li>
  <li>Del</li>
</ul>

SCSS

ul {
  display: flex;
  height: 40px;
  margin: 0;
  padding: 0;
  width: 100%;
  list-style: none;
}
ul li {
  /* display: flex;           <-- remove */
  /* align-items: center;     <-- will no longer work */
  height: 100%;
  padding: 0 4px;
  border-bottom: 1px solid #eee;
}
ul li:first-child {
  width: 55px;
  flex-shrink: 0;
}
ul li:first-child input {
  width: 100%;
}
ul li:last-child {
  width: 48px;
  flex-shrink: 0;
}
ul li:nth-child(2) {
  flex: 0 1 100px;            /* adjusted */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0px;
}
ul li:nth-child(3) {
  width: 75px;
  flex-shrink: 0;
}