body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background-color: #317EFB;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

main {
    padding: 20px;
    text-align: center;
}

input[type="text"] {
    padding: 10px;
    width: 70%;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}

button {
    padding: 10px 20px;
    background-color: #317EFB;
    color: #fff;
    border: none;
    cursor: pointer;
}

#result {
    margin-top: 20px;
    font-size: 1.2em;
}

footer {
    text-align: center;
    padding: 1em 0;
    background-color: #333;
    color: #fff;
    position: static;
    bottom: 0;
    width: 100%;
}