html, body { 
  height: 100%; 
  margin: 0; 
  overflow: hidden;
  overflow: clip; 
  contain: content;
}
body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000; 
     background-image: url("MM_Logo_white.png");
   background-repeat: no-repeat;
    background-size: 20%;
     background-position: 50% 50%;
}