JSFiddle - React, Tailwind, and code Playground

HTML

<inbox class="form-control"></inbox>
<textbox class="form-control"></textbox>

CSS

.form-control {
  display: block;
  width: 100%;
  height: 34px;
  padding: 6px 12px;
  font-size: 14px;
  line-height: 1.42857143;
  color: #555;
  background-color: #fff;
  background-image: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  -webkit-box-shadow: inset 0 1px 1px rgba(200, 0, 0, .75);
          box-shadow: inset 0 1px 1px rgba(200, 0, 0, .75);
  -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
       -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
          transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}