.flying-stars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 0px;
}

.grid-cell {
    border: 1px solid #000;
    padding: 0px;
    position: relative;
    text-align: center;
    height: 100px;
    background-color: #f5f5f5; /* 背景颜色 */
}

.top-left {
    position: absolute;
    top: 20px;
    left: 20px;
}

.top-right {
    position: absolute;
    top: 20px;
    right: 20px;
}

.bottom-left {
    position: absolute;
    bottom: 20px;
    left: 20px;
}

.bottom-right {
    position: absolute;
    bottom: 20px;
    right: 20px;
}


.button-group {
    display: flex;
    justify-content: space-around; /* 按钮之间平均分布 */
    flex-wrap: nowrap; /* 禁止换行 */
    gap: 1px; /* 按钮之间的间距 */
    margin-bottom: 6px;
    margin-top: 6px;
}

button {
    flex: 1; /* 每个按钮占据同样的空间 */
    padding: 1px;
    font-size: 10px;
    max-width: 150px; /* 限制按钮的最大宽度 */
    min-width: 50px; /* 设置按钮的最小宽度 */
    text-align: center;
    cursor: pointer;
}