.mainSections{
 width: 980px;
 margin: 0 auto;
}
.vision{
 text-align: center;
 margin: 110px 0 100px;
}
.vision h2{
 font-size: 4.8rem;
 color: #333;
 margin-bottom: 20px;
}
.vision p{ font-size: 1.8rem;}
.pdfDownloadBtn{ margin-top: 60px;}