body {
    background-color: #f5f5f5;
    color: #333;
}

h1 {
    font-size: 2em;
    font-weight: normal;
    margin: 0.67em 0;
    color: black;
    font-weight: bold;
}

#about {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
}

p {
    margin: 1em 0;
}

p a:hover {
    color: #0066cc;
}

#copyright {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #eee;
    border: 1px solid #add;
    border-radius: 4px;
}

#contact {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #ddd;
    border: 1px solid #dad;
    border-radius: 4px;
}

#saurce {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #ccc;
    border: 1px solid #dda;
    border-radius: 4px;
}

#contact {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #ddd;
    border: 1px solid #dad;
    border-radius: 4px;
}

#feedback {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #ccc;
    border: 1px solid #dda;
    border-radius: 4px;
}

#submit {
    margin: 0 auto;
    width: 80%;
    padding: 1em;
    background-color: #ccc;
    border: 1px solid #dda;
    border-radius: 4px;
}

#submit:hover {
    background-color: #ddd;
}