@media (max-width: 768px) {
    .img1{
        width: 20%;
        height: 20%;
    }
}

@media screen and (max-width: 1440px) {
    #imgCard{
        width: 250px;
        height: 250px;
    }
}

footer{
    color: #ffffff;
    background-color: #112d80;
}