header, nav, section, article, aside, footer {
    display:block;
}
.front-thumbnail{
    margin-left: -18px;
}

.modal-dialog {
    right: auto;
    left: 50%;
    width: 600px;
    padding-top: 30px;
    padding-bottom: 30px;
}

.modal-backdrop{
    filter: alpha(opacity=30);
    background: #000000;
}