style.css

*{
    box-sizing:border-box;
    margin:0;
    padding:0;
}
.hide{
    display:none;
}
.gamearea{
    width:400px;
    height:100vh;
    background-color:rgb(29,26,26);
    margin:auto;
    position:relative;
    overflow:hidden;
    border-left:10px dashed white;
    border-right:10px dashed white;
}
.startscreen{
    position:absolute;
    background-color:rgba(34,119,8,0.952);
    color:white;
    z-index:1;
    margin-top:210px;
    margin-left:360px;
    text-align:center;
    box-shadow:0 0 20px 0px rgba(0,0,0,0.1);
    font-size:30px;
    width:50%;
    height:200px;
    cursor:pointer;
    border-radius:23px;
}
button{
    padding:10px;
    text-align:center;
    background-color:black;
    color:white;
}
.cargame{
    background-image:url('image.png');
    background-size:cover;
}
.score{
    position:absolute;
    top:15px;
    left:50px;
    text-align:center;
    padding-top:23px;
    font-size:30px;
    line-height:20px;
    background-color:rgba(34,119,8,0.952);
    color:white;
    width:300px;
    height:100px;
    box-shadow:0 0 20px 0px rgba(0,0,0,0.1);
}
.car{
    width:50px;
    height:70px;
    background-color:red;
    position:absolute;
    bottom:120px;
    background-image:;
    background-size: cover;
}
.other{
    width:50px;
    height:70px;
    background-color:blue;
    background-image:;
    background-size: cover;
    position:absolute;
    bottom:120px;
}
.lines{
    width:10px;
    height:100px;
    background: white;
    position:absolute;
    margin-left:195px;
}
.enemy{
    width:50px;
    height:70px;
    background-color: blue;
    background-size: cover;
    position:absolute;
    bottom:120px;
}