header, footer, .page .admin-menu  {display: none;}

.row {display: -webkit-box; display: -ms-flexbox; display: flex; -ms-flex-wrap: wrap; flex-wrap: wrap; margin: 0 auto;}
.col {-ms-flex-preferred-size: 0; flex-basis: 0; -webkit-box-flex: 1; -ms-flex-positive: 1; flex-grow: 1; max-width: 100%; padding: 6px;}
.col-1 {max-width: 8.3333%;}
.col-2 {max-width: 16.6666%;}