.display-great{
display: inherit !important;
}
h1,h2{
text-align: center;
}
header, footer, #wrapper{
margin-left: auto;
margin-right: auto;
clear: both;
width: 100%;
max-width: 1200px;
}
#main-nav{
float: center;
width: 100%;
max-width: 1200px;
}
#main-section{
margin-left: 21%;
width: 79%;
max-width: 900px;
}