Blub

{{{code

<style>

   body {
       margin: 0;
       background-color:black;
   }

   .wrapper {
       display: flex;
       justify-content: center;
       align-items: center;
       height:100vh;
       width:100vw;
   }

   .quader {
       width:50px;
       height:50px;
       background-color: red;

   }

</style> }}}