html {
  width: 100%;
  height: 100%;
  margin: 0px;
  padding: 0px;
box-sizing:border-box;
position:fixed;
top:0px;
left:0px;
width:100%;
height:100%;
  background-image: url('assets/hsml.jpg')
background-position:center;
background-repeat:no-repeat;
}

body {
  background-color: black;
  height: inherit;
  width: inherit;
  margin: 0px;
  display: flex;
  justify-content: center;

}