Testing, testing

Bueno, funcionar funciona, me tomo 15 intentos pero funciona 

<!-- (c) Layout created by xxRebellious_Emmaxx (https://layouts.spacehey.com/layout?id=92315) -->

<style>

    main {

        background: transparent;

font-size: 13px;

box-shadow: 0px 0px 8px #a6a6a6!important;

height: 600px;

background-image: url('https://i.ibb.co/sVPsMRH/aero-winform-1149351314.png');

background-size: 850px;

background-position: center;

overflow-y: scroll;

    }

</style>