So richten Sie die Taste in der Mitte aus
<!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>Document</title>
<style>
/*margin-left means to set how much side you want the object to be*/
/*Top means the top in an object*/
/*You can use pixels as px or centimetre as cm instead od percentage
to set locationj you wanna set*/
.location{
margin-left:50%;
margin-top:50%;
border:1px solid black;
}
</style>
</head>
<body>
<button class="location">Button</button>
</body>
</html>
VScoder