JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta charset="UTF-8">
    <title>Printer</title>
  </head>
  <body>
  
     <div class="title">
      <h3>Printer</h3>
    </div>
    
    <div class="container">
   
      <!-- FORM --> 
      <form>

        <!-- Frist Text Field --> 
        <div class="form-group"> 
          <label for="">Example textarea</label>
          <textarea class="form-control" id="" rows="3"></textarea>
        </div>

        <!-- Second Text Field --> 
        <div class="form-group">
          <label for="">Example textarea</label>
          <textarea class="form-control" id="" rows="3"></textarea>
        </div>

        <!-- Selector --> 
        <div class="form-group">
          <label for="">Example select</label>
          <select class="form-control" id="">
            <option>1</option>
          </select>    
        </div>

        <!-- Name Input --> 
        <div class="form-group">
          <label for="name">Name: </label>
          <input type="text" class="form-control" id="name">
        </div>
        
        <!-- IP Input --> 
        <div class="form-group">
          <label for="IP">IP <i>( no http:// )</i>: </label>
          <input type="text" class="form-control" id="IP">
        </div>
        
        <!-- Port Input -->
        <div class="form-group">
          <label for="port">Port: </label>
          <input type="text" class="form-control" id="port">
        </div>
       
       <!-- Pass Input -->
        <div class="form-group">
          <label for="pass">Pass: </label>
          <input type="password" class="form-control" id="pass">    
        </div>  

        <!-- Buttons --> 
        <div class="form-group">
          <button id="addIP" class="btn btn-primary">Add IP</button>
          <button id="removeSelectedIP" class="btn btn-primary">Remove Selected IP</button>
          <button id="saveIPsToDevice" class="btn...

CSS

body { 
  margin: 0;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #fff;
  text-align: left;
  background-color: #333;
}

.container {
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.title {
  background-color: #d42020;
}

.form-group {
  margin-bottom: 1rem;
}

.form-control {
  display: block;
  box-sizing: border-box;
  width: 100%;
  padding: .375rem .75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #fff;
  background-color: #555;
  background-clip: padding-box;
  border: 1px solid #777;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.form-group label {
  display: inline-block;
  margin-bottom: .5rem;
}

.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border: 1px solid transparent;
  padding: .375rem .75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: .25rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
  cursor: pointer;
}

.btn-primary {
  color: #fff;
  background-color: #666;
  border-color: #777;
}

.btn-primary:hover {
  color: #fff;
  background-color: #444;
  border-color: #555;
}

:focus {
  outline-color: #9e9e9e;
}