body {padding: 0; width: 100%; height:100%;background-image: url(home.jpg);overflow-x:hidden; background-size: cover; background-position: center center;background-repeat:no-repeat;position:relative;
        }
        div {text-align:center; width: 100%; height: 80vh;padding:0;margin-top: 0;margin-bottom:0;;}
h1 {color:red}
hr {color:blue}
img {border:dotted;}