@media screen and (max-width: 980px){
    #cont{
        background-image: url('../img/img-crp.jpg');
        background-size: cover;
    }
   #top{
	   margin: 10px auto;
	   //transform: scale(1.4);
   }
    #btm{
        margin: 75px auto;
    }
}

@media screen and (min-width: 981px) {

    #cont {
        background-image: url('../img/img-lsc.jpg');
        background-size: cover;
        background-repeat: no-repeat;
    }

    #top{
        margin-top: 0px !important;
    }
    #btm{
        margin-top: 225px !important;
    }
}