body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    padding-top: 50px;
}

.box {
    border: 1px solid #4a7bb0;
    padding: 15px;
    width: 320px;
}

p {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 14px;
}

.color-palette {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.color-box {
    width: 45px;
    height: 45px;
    cursor: pointer;
}

#resultText {
    font-size: 14px;
    font-weight: bold;
    min-height: 20px;
    margin-bottom: 10px;
}

#previewBox {
    width: 100%;
    height: 180px;
    border: 4px solid #888;
    box-sizing: border-box;
}