.back-logo h6{
    font-size: 30px;
    text-align: center;
}
.back-logo{
    background-image: url('../images/pass1.png');
    background-repeat: no-repeat;
    background-size: cover;
    height: 270px;
    display: flex;
    justify-content: center;
    border: 1rem solid white;
}
.back-logo1{
    background-image: url('../images/DSC_3903\ 1.png');
    background-repeat: no-repeat;
    background-size: cover;
    height: 270px;
    display: flex;
    justify-content: center;
    border: 1rem solid white;
}
.back-logo2{
    background-image: url('../images/pass.png');
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    height: 270px;
    justify-content: center;
    border: 1rem solid white;
}

.back-logo3{
    background-image: url('../images/image318.jpeg');
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    height: 270px;
    justify-content: center;
    border: 1rem solid white;
}


.back-logo4{
    height: 300px;
}

@media only screen and (max-width: 767px){
    .back-logo4{
        height: 400px;
    }
}

.back-logo h6{
    color: white;
    align-self: center;
}