#box{
    width: 800px;
    height: 600px;
    position: relative;
    background-color: #d5e3bd;
    border: 1px solid #000;
    margin: 30px auto;
}
#snake{
    /*position: absolute;*/
    /*top: 200px;*/
    /*left: 350px;*/
}
.heihei{
    width: 20px;
    height: 20px;
    /*border: 1px solid #000;*/
    border-radius: 10px;
    background-color: rgb(13, 113, 85);
    position: absolute;
    text-align: center;
    line-height: 20px;
    position: absolute;
    top: 200px;
    left: 350px;
    color: white;
}
#head img{
    width: 20px;
}
#apple{
    width: 20px;
    height: 20px;
    background-color: darkred;
    position: absolute;
    top: 140px;
    left: 400px;
}
#score{
    width: 100px;
    height: 100px;
    border: 1px solid #000;
    position: absolute;
    text-align: center;
    line-height: 100px;
    left: 1100px;
    z-index: 1;
}