api.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body{
            text-align: center;
    color: rgb(33, 36, 36);
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-size: 1.2rem;
    
        }
        h1 {
            
            color: azure;
  text-shadow: 2px 2px #111010;
}
    </style>
</head>
<body>
     <h1>Weather</h1>

    <div >
        <label for="">Choose your city</label>
        <input type="text" class="input"></input>
        <button class="btn">button</button>
     </div>

    <div data-role="weather-container">
        
    </div>
     <script  src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
    <script src="api.js"></script>
</body>
</html>