How do i center a h1 in a div.This is the picture of my project and i want to center "about me" with hover effect to center it with header, to be right beneath that green line.
<!DOCTYPE html>
<html>
<head>
<link href="https://fonts.googleapis.com/css?family=Titillium+Web" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Satisfy" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/main.css">
<title>My Portfolio</title>
</head>
<body>
<div id="header">
<header>Mr. Philip Braun</header>
<img src="img/greeny.png">
<h1 class="hvr-float-shadow">About Me</h1>
<br>
<p> I'm a funny and classy guy from London<br>and i dare you to click "About Me"<br>because if you don't, you are missing your chance of knowing about a guy<br>who works hard for what he is made and of course doing it<br> <b>perfectly<b><br> <b>with finesse</b> </p>
</div>
<br><br>
<img class="braun" src="img/braun3.jpg">
</body>
</html>