.f-right{
    float: right;
}

.pt-100{
    padding-top: 100px;
}

.pt-150{
    padding-top: 150px;
}

.pb-100{
    padding-bottom: 100px;
}

.mb-100{
    margin-bottom: 100px;
}

.mb-30{
    margin-bottom: 30px;
}

.page-area{
    background-image: url('../img/layer12.png');
    background-position: center;
    background-size: cover;
    padding: 250px 0;}
@media only screen and (max-width: 768px) {
.page-area{
 background-image: url('../img/Layer17.png');
padding:150px 0px;
}