*{
    padding:0px;
    margin: 0px;
    box-sizing: border-box;
}
div{
    width: 40px;
    height: 40px;
    background-color: red;
    position: relative;
    top: 0px;
    left: 0px;
    transition: all 0.3s;
}

.food{
    width: 40px;
    height: 40px;
    background: #000;
    position:absolute;
    left: 50px;
    top: 120px;
}
.score{
 text-align: center;
 font-family: sans-serif;
 padding-top: 20px;
 font-size: 55px;
}