.pic{
text-align: center;
}
@media screen and (max-width: 768px) {
.years{
width: 90%;
margin: 5%;
}    
}
@media screen and (min-width: 769px) {
.years{
width: 50%;
margin: 5%;
}}

@media screen and (max-width: 600px) {
    .google_westmap {
        width: 90%;
        margin: 5%;
        height: 300px;
    }
    
}
@media screen and (min-width: 601px) {
    .google_westmap {
        width: 70%;
        height: 400px;
        margin: 5%;
    }
    
}