@media(max-width:710px){
    .lab_dipshikha .main{
       width: 400px;
    }
    .lab_dipshikha .main .a{
        width: 100%;
    }
    .lab_dipshikha .main .b{
        margin-top: 30px;
        width: 100%;
    }
    .lab_dipshikha .main .c{
        width: 100%;
    }
    .lab_dipshikha .main .d{
        width: 100%;
    }
    .lab_dipshikha .main .e{
        width: 100%;
    }
    .lab_dipshikha .main .f{
        width: 100%;
    }
}