.map {
    width: 50%;
    float: right;
    height: 300px;
    margin: 0 0 30px 30px;
}

.dura{max-width:100%;width:100%;}
@media only screen and (max-width : 768px){
.map {
    width: 100%;
    float: none;
    height: 300px;
    margin: 0 0 30px;
}

}