body {
}

.box {
    display: inline-block;
    margin: 25%;
    width: 50%;
    border: 4px solid green;
    padding: 25px;
    border-radius: 15px;
}

a {
    padding: 10px;
    text-decoration: none;

    font-family: sans-serif; 
/*    font-family: monospace; */
/*    font-weight: normal; */
    font-weight: bold;
    font-size: 18px;
    color: green;
}

a:hover {
    color: black;
}