index.css

*{
    margin:0;
    padding:0;
}
.hide{
    display:none;
}
.car{
    width:30px;
    height:70px;
    background-color: red;
    position: absolute;
    bottom:120px;
    border-radius: 20%;
    /* left:50px;
    top:120px; */
    background-image: url('img/pngfind.com-car-top-view-png-749941.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.enemy{
    width:30px;
    height:70px;
    border-radius: 20%;
    background-color:blue;
    position: absolute;
    bottom:120px;
    /* left:50px;
    top:120px; */
    background-image: url('img/pngfind.com-car-top-view-png-749941.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.carGame{
    width:100%;
    height:100%;
    background-image:url('img/bg.jpg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.score{
    position:absolute;
    top:15px;
    left:40px;
    background-color:aqua;
    width:300px;
    line-height:70px;
    box-shadow: 0 5px 5px #777;
    text-align: center;
    font:1.5rem;
}
.startScreen{
    position:absolute;
    background-color:#54a0ff;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
    color:white;
    z-index: 1;
    border:2px solid white;
    width:50%;
    padding: 15px;
    cursor:pointer;
    text-align: center;
    line-height: 30px;
    margin:auto;
    text-transform: uppercase;
    box-shadow: 0 5px 5px #777;
}

.gameArea{
    width:400px;
    height:100vh;
    background:rgba(0, 0, 0, 0.81);
    margin:auto;
    position: relative;
}
.lines{
    width:10px;
    height:100px;
    background-color: white;
    position:absolute;
    margin-left: 195px;
}