body {

margin-right:20vw;
  

margin-left:20vw;
  
  color: chocolate
}

hr {
 height: 2px;
    /* border: none; */
    background-color:chocolate ;
}
ul{list-style-type: square;
  }
body {
    color:chocolate;
	background: papayawhip;
  
<img src="milk.jpg">