.logo{
    width: 240px;
    height: 100px;
}

body{
    background: url('../images/bg.png') no-repeat center center fixed;
    background-size: cover;
    position: relative;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* Adjust the opacity as needed */
    z-index: -1;
}