*{
 font-family: helvectica, arial;   
}
#guestbook {
 font-family: helvetica, arial;
    width: 40%;
    margin: auto;
    background: tomato;
}
label, #submitbuttom {
    display: block;
    font-weight: bold;
    margin-top: 10px;
    
}
input {
 width:100%;   
}