My header has some space which is not needed around it
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<meta name="description" content="">
<meta name="keywords" content="">
<meta name="author" content="">
<title>Acme Website Design | Welcome</title>
<link rel="stylesheet" type="text/css" href="Website3.css"
</head>
<body>
<header>
<div class="container">
<div id="branding">
<h1>Acme Web Design</h1>
</div>
<nav>
<ul>
<li><a href="Website3.html">Home</a></li>
<li><a href="about.html">About</a></li>
<li><a href="services.html">Services</a></li>
</ul>
</nav>
</div>
</header>
<section id="showcase">
<div class="container">
<h1>Affordable and Professional webdesign</h1>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
</div>
</section>
<section id="newsletter">
<div class="container">
<h1>Subscribe To Our Newsletter</h1>
<form>
<input type="email" placeholder="Enter Email">
<button type="submit" class="button_1">Subscribe</button>
</form>
</div>
</section>
<section id="boxes">
<div class="container">
<div class="box">
<img src="logo_html.png">
<h3>HTML 5 Markup</h3>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
</div>
<div class="box">
<img src="logo_css.png">
<h3>CSS 3 styling</h3>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
</div>
<div class="box">
<img src="logo_brush.png">
<h3>Designing</h3>
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
</div>
</div>
</section>
<footer>
<p>Acme Web Design Copyright © 2018</p>
</footer>
</body>
</html>
CSS
body{
font: 15px/1.5 arial,helvetica,sans-serif;
background: #f4f4f4;
}
/*global*/
.container{
width: 80%;
margin:0 auto;
}
/*header*/
header{
background: #35424a;
color: #ffffff;
}
Screenshot:
I want no space around the header. How can I do it?