body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f6f6f6;
    color: #222;
}
header {
    background: #223d6d;
    color: #fff;
    padding: 1em;
    text-align: center;
}
nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 1em;
}
main {
    max-width: 900px;
    background: #fff;
    margin: 2em auto;
    padding: 2em;
    border-radius: 5px;
    box-shadow: 0 0 16px #ccc;
}
section {
    margin-bottom: 2em;
}
.button {
    display: inline-block;
    background: #1c1cea;
    color: #fff;
    padding: 0.75em 1.5em;
    border-radius: 3px;
    text-decoration: none;
    font-weight: bold;
}
footer {
    text-align: center;
    padding: 1em;
    background: #223d6d;
    color: #fff;
}
form input, form textarea {
    width: 95%;
    padding: 0.5em;
    margin-bottom: 1em;
}
form button {
    background: #223d6d;
    color: #fff;
    border: none;
    padding: 0.75em 1.5em;
    border-radius: 3px;
    font-size: 1em;
}