JSFiddle - React, Tailwind, and code Playground

HTML

<div class="wrapper">
  <div class="ele ele3" style="background-color: red;">
    <input type="number" value="9999" />
  </div>
  <div class="ele ele1" style="background-color: green;">
    2
  </div>
  <div class="ele ele3" style="background-color: yellow;">
    <input type="number" value="9999" />
  </div>
</div>

CSS

.wrapper {
  width: 200px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  flex-direction: row;
}

.ele {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  flex-direction: row;
  flex: 3;
}

.ele1 {
  flex: 1;
}

.ele input {
  display: inline;
  max-width: 100%;
}