body {
    font-family: Arial, sans-serif;
    background-color: #2c3e50;
    color: white;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}

.image-preview {
    display: none;
    margin-bottom: 20px;
}

.image-preview img {
    max-width: 80%;
    max-height: 60vh;
    border: 2px solid white;
    border-radius: 10px;
}

.buttons {
    margin-bottom: 20px;
}

.rounded-button {
    font-size: 16px;
    font-weight: bold;
    background-color: #1abc9c;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 20px;
    margin: 5px;
    cursor: pointer;
}

.rounded-button:hover {
    background-color: #16a085;
}