body {
    margin: 0;
    height: 100vh;
    background-color: #f9f9f9;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: "Gloria Hallelujah", cursive;
    font-size: 16px;
    line-height: 1.8;
}
#puzzle{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
#puzzle-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 1px;
    width: 400px;
    height: 400px;
    box-sizing: border-box;
    position: relative; /
}

.puzzle-item {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2em;
    transition: transform 0.2s ease-in-out;
    cursor: pointer;
    box-sizing: border-box;
    position: absolute;
    width: 100px;
    height: 100px;
}

.empty {
    background-color: transparent;
    pointer-events: none;
}
#puzzle-number{
    width: 70px;
    height: 70px;
}
#dialog-content {
    width: 500px;
    padding: 20px;
    height: 300px;
}
.footer-text {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 12px;
    color: #666;
}