HTML/CSS - navbar Online Editor and JavaScript Compiler

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>Responsive Navbar</title>
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
</head>
<body>
    <nav class="navbar">
        <div class="left">
            <h1>Navbar</h1>
        </div>
        <div class="right">
            <input type="checkbox" id="check">
            <label for="check" class="checkBtn">
                <i class="fa fa-bars"></i>
            </label>
            <ul class="list">
                <li><a href="#">Home</a></li>
                <li><a href="#">Gallery</a></li>
                <li><a href="#">Services</a></li>
                <li><a href="#">About Us</a></li>

css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: white;
    font-family: 'Ubuntu', sans-serif;
}
.navbar {
    background-color:  rgb(22, 7, 36);
    display: flex;
    justify-content: space-around;
    align-items: center;
    line-height: 5rem;
}
.left h1 {
    font-size: 2.5rem;
    cursor: pointer;
}
.checkBtn {
    display: none;
}
#check {

BROWSER

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