body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}
header {
    background: #0073aa;
    color: white;
    padding: 1em;
    text-align: center;
}
main {
    padding: 2em;
}
form {
    display: flex;
    justify-content: center;
    margin-bottom: 2em;
}
input[type="text"] {
    width: 60%;
    padding: 0.5em;
    font-size: 1em;
}
button {
    padding: 0.5em 1em;
    font-size: 1em;
    margin-left: 1em;
    background-color: #0073aa;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #005f8d;
}
.result {
    background: white;
    padding: 1em;
    margin-bottom: 1em;
    border-radius: 5px;
}
.result h3 {
    margin-top: 0;
}
footer {
    background: #0073aa;
    color: white;
    text-align: center;
    padding: 1em;
    position: fixed;
    bottom: 0;
    width: 100%;
}