body {
	width : 70vw;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    font-size: larger;
    border-bottom: groove 3px dodgerblue;
}

@media screen and (max-width:1081px){

   body {
	width : 100%;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
	}
}