What could be causing my div to fall short of reaching the top of the page?

https://ibb.co/z5S7Kqh <-- I am facing an issue where my fixed div extends fully to the left and right as intended, but there is a visible gap that shows the background. Here is the CSS code I am using...

body {
  font-family: "Arial";
  color: rgb(0, 255, 97);
  background-color: rgba(40, 40, 40);
  align-self: center;
  padding: 0;
  margin: 0;
}

.topBar {
  background-color: rgb(0, 0, 0);
  width: 100%;
  height: 15%;
  position: fixed;
  margin-top: 0;
}

#title {
  text-align: center;
  text-decoration: underline;
  text-shadow: -0.05em -0.05em rgb(40, 40, 40);
  font-size: 3em;
}
<div class="topBar">
  <h1 id="title" onclick="openTab('https://www.jfkairport.com/')">Jhon F. Kennedy international Airport - Real Time Air Tracking</h1>
</div>

(Please ignore the JFK Airport reference. The onclick and its associated JS function are working correctly.)

htmlcss

Answer №1

If you want to remove the default padding and margin for all elements, simply include this snippet at the beginning of your CSS file:

*, ::before, ::after{
    margin: 0;
    padding: 0;
}

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