.text-dark.mb-1 {
}

@media only screen and (max-width: 600px) {
.instruct {

    /* For mobile phones: */
    display: block;
    
    }

.imgs {
    display: none;
}

.img2 {
    display: block;
}

.img1 {
    display: none;

}

.main1 {

    display: block;
}

.sim{
    width: fit-content;
}

.img1 {
    display: none;
}


}

@media (min-width: 600px) {

    .instruction{
        display: none;
    }

    .main{
        display: none;
    }

    .img2 {
        display: block;
    }

    .img1 {
        display: block;
    }
}