/* *{
    box-sizing: border-box;
} */

/* 游戏容器样式 */
.container {
    width: 600px;
    height: 600px;
    background: #225675;
    border: 20px solid #7dd9ff;
    margin: 20px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    
}

/* 按钮公共样式 */
.container button{
    border: none;
    outline: none;
}

/* 开始 */
.container .startBtn{
    width: 200px;
    height: 80px;
    background: url('../img/game.png') center/contain no-repeat;
    display: block;
}

/* 暂停 */
.container .pauseBtn{
    width: 70px;
    height: 70px;
    background: url('../img/start.png') center/contain no-repeat;
    display: none;
}