body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.title {
    text-align: center;
    color: #333;
    margin-top: 0;
}

.form-group {
    margin-bottom: 20px;
}

.label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #666;
}

.input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    box-sizing: border-box;
}

.button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #333;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

.result-container {
    display: none;
    margin-top: 20px;
}

.result-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.result-label {
    flex: 0 0 120px;
    font-weight: bold;
    color: #333;
}

.color-box {
    flex: 1;
    height: 30px;
    border-radius: 4px;
    margin-left: 10px;
}

.show {
    display: block;
}