JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" />
<input type="text" class="autocomplete" disabled value="test" />

CSS

input {
  position: absolute;
  left: 5px;
  z-index: 7;
  border: none;
  width: 100%;
  height: 30px;
  font-size: 20px;
  background-color: transparent;
}

.autocomplete {
  color: silver;
  z-index: 1;
}