html {
    height: 100%;
}

body {
    text-align: center;
    font-family: "Courier New", Courier, monospace;
    min-height: 100%;
    display: flex;
    flex-direction: column;
    
}

.content {
    padding: 50px;
    flex: 1;
    vertical-align: middle;
}

.rTable {
		    	display: table;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid black;
		}
		.rTableRow {
		    	display: table-row;
		}
		.rTableHeading {
		    	display: table-header-group;
		    	background-color: #ddd;
    text-align: center;
    padding: 15px;		
}
		.rTableCell, .rTableHead {
		    	display: table-cell;
    text-align: center;
    padding: 15px;		
}
		.rTableHeading {
		    	display: table-header-group;
		    	background-color: #ddd;
		    	font-weight: bold;
		}
		.rTableFoot {
		    	display: table-footer-group;
		    	font-weight: bold;
		    	background-color: #ddd;
		}
		.rTableBody {
		    	display: table-row-group;
		}