body {
    font-family: Arial;
    background: #f5f5f5;
    text-align: center;
}

.container {
    max-width: 400px;
    margin: auto;
    padding: 20px;
}

.topbar {
    text-align: right;
    margin-bottom: 10px;
    cursor: pointer;
}

img {
    width: 100%;
    margin: 10px 0;
}

button {
    padding: 10px;
    width: 100%;
    background: black;
    color: white;
    border: none;
    cursor: pointer;
}

#resultBox {
    margin-top: 20px;
}