Troubleshooting HTML navigation bar white space problem

I am encountering a white space issue with my HTML nav bar for the first time. I have managed to fix the space on the sides (left and right), but there is still some space at the top of the nav bar. Can someone please assist me in resolving this issue?

To visualize the problem, refer to the following image - Image

Below is the CSS and HTML code that I am using. Please run the code and open it in full mode for a better understanding.

li.na-li {
  float: left;
  text-align: center;
  font-size: 20px;
}

li.na-li a.na-a {
  display:block;
  text-decoration: none;
  color:white;
  padding: 15px;
}

li a:hover {
  background-color: #00F003;
}

ul.na-ul {
  background-color:#000000;
  position: fixed;
  top: 0;
  width: 100%;
  list-style-type: none;
}

.navbar {
  background-color: #073A00;
  width: 0%;
}

body {
  width: 100%;
  height: 100%;
  padding: 0px;
  margin: 0px;
  overflow-x: hidden;
}
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
</head>

<body>

  <div class="navbar">
    <ul class="na-ul">
      <li class="na-li"><a class="na-a" href="#home">Home</a></li>
      <li class="na-li"><a class="na-a" href="Services"> Services</a></li>
      <li class="na-li"><a class="na-a" href="Contact">Contact</a></li>
      <li class="na-li"><a class="na-a" href="Help">Help</a></li>
    </ul>   
  </div>  
    
</body>
</html>

Answer №1

ul.na-ul { margin: 0 } or ul.na-ul { margin-top: 0 } if you prefer space at the bottom of the navigation bar.

li.na-li {
  float: left;
  text-align: center;
  font-size: 20px;
}

li.na-li a.na-a {
  display: block;
  text-decoration: none;
  color: white;
  padding: 15px;
}

li a:hover {
  background-color: #00F003
}

ul.na-ul {
  background-color: #000000;
  position: fixed;
  top: 0;
  width: 100%;
  list-style-type: none;
  margin: 0;
}

.navbar {
  background-color: #073A00;
  width: 0%;
}

body {
  width: 100%;
  height: 100%;
  padding: 0px;
  margin: 0px;
  overflow-x: hidden;
}
<!doctype html>
<html>

<head>
  <meta charset="utf-8">
  <title>Untitled Document</title>
</head>


<body>

  <div class="navbar">
    <ul class="na-ul">
      <li class="na-li"><a class="na-a" href="#home">Home</a></li>
      <li class="na-li"><a class="na-a" href="Services"> Services</a></li>
      <li class="na-li"><a class="na-a" href="Contact">Contact</a></li>
      <li class="na-li"><a class="na-a" href="Help">Help</a></li>
    </ul>
  </div>


</body>

</html>

Answer №2

The ul element comes with default browser padding and margin. To remove this default styling, you can use the following CSS:

ul.na-ul {
    margin: 0; /* Remove default margin */ 
    padding: 0; /* Remove default padding */
}

Alternatively, you can use a CSS browser reset like the one available at .

Answer №3

To remove the default styling of ul elements, you should include margin-top: 0; in the CSS for ul.na-ul.

Answer №4

Consider including the following CSS code:

body {
    margin: 0;
}
ul.na-ul {
    margin-top: 0;
}

To understand why there is a default margin, refer to the explanation provided in the link below: How wide is the default `<body>` margin?

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