Position Property

by Boyanliuu

HTML

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />

        <link rel="stylesheet" href="style.css" />
    </head>
<body>
    
<div class="container">
    <div class="box position">
    </div>
</div>

</body>
</html>

CSS

:root {
    box-sizing: border-box;
}

*,
::before,
::after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}
body{
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
}
.container {
  border: 1px solid red;
  width: 400px;
  height: 400px;
 
}
.box {
  background: lightblue;
  width: 100px;
  height: 100px;
  position:relative;
  left:100px;
}