.maincontent {
    max-width: 100%;
    margin: 0 auto;
    padding: 0;
    border: none;
}

.intro-img img {
width:100% !important;
height:auto !important;
max-width:600px;
}

.intro-content {
    padding: 25px 0 100px;
}

@media (max-width: 1200px) {
    .intro-content {
        padding-bottom: 60px;
    }
}