*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}



body{
    color:#fff;
    background-image: url(img/snakebg.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-color: #0c1821;
    background-position: center center;
    height: 100vh;
    display: flex;
    text-align: center;
    justify-content: center;
    align-items: center;
}


body::after{
    content: '';
    position: absolute;
    display: block;
    height: 100%;
    width: 100%;
    background-color: rgb(0, 0, 0, 0.9);
    z-index: -1;
}