*{
    margin:0px;
    padding:0px;
}
.col-sm-4{
    padding:30px;

 
}
.hello img{
    box-shadow:rgba(64, 112, 255, 1) 0px 70px 15px ;
    ;
    border-radius: 0 !important;
}
.col-sm-4 img{
width:70%;
height:350px;
box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px,rgb(14, 36, 49) 0px 7px 15px ;
margin-left:5% !important;

    border-radius: 0%;
}
@media (max-width: 768px) {
    .col-sm-4 {
        width: 100%; 
    }

    .col-sm-4 img {
        width: 80%; 
        height: 350px;
        margin-left:5px !important;
    }
}

@media (max-width: 480px) {
    
    .col-sm-4 img {
        width: 90%; 
        margin-left:5% !important;
    }
}