body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #000;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.title {
    color: #fff;
    font-size: 24px;
    margin-bottom: 10px;
}

.subtitle {
    color: #fff;
    margin-bottom: 20px;
}

button {
    color: #000;
    font-size: 18px;
    border: none;
    border-radius: 3px;
    padding: 10px 20px;
    margin: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.major-btn {
    background: linear-gradient(45deg, #fffb1d, #6dff1f);
}

.minor-btn {
    background: linear-gradient(45deg, #ca44ff, #328bff); /* 다른 그라데이션 색상으로 설정 */
}

.major-btn:hover, .minor-btn:hover {
    opacity: 0.8; /* hover 상태에서의 투명도 설정 */
}