h1 { 
    border: 1px solid black;
}

h2 {
    border: 1px solid black;
    margin: 20px;
    padding: 15px;
}

p { 
    padding: 30px;
    font-family: "Courier New" Monospace;
    border: 4px solid black;
    font-size: 20px;
    margin: 15px;
}

.gron {
     background-color: green;
     color: white;
 }
 
.rod {
     border: 5px double red;
 }