.footer {
    min-height:300px;
    position:fixed;
    bottom:0px;
    z-index:1000;
    left:0px;
    right:0px;
}
@media only screen and (min-width : 768px) {
    .footer {
        min-height: 0px;
        width:100%;
    }
}
@media only screen and (min-width : 1024px) {
    .footer {
        width:100%;
    }
}