h1 {
            color: green;
            font-size: 2em;
            font-family: Arial, sans-serif;
            margin: 0;
            border-bottom: 2px dashed blue;
        }
 
/* Specify blanket rules for all elements */
body {
margin: 10px;
border: 1px solid #000;
padding:10px;
font: 12px Verdana, Arial, Sans-serif;
}