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CSS

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HTML 

              
                <a class="btn btn-success" style="float:left;margin-right:20px;" href="https://codepen.io/collection/XKgNLN/" target="_blank">Other examples on Codepen</a>
<table id="example" class="table table-striped table-bordered" cellspacing="0" width="100%">
	<thead>
		<tr>
			<th>Order</th>
			<th>Description</th>
			<th>Deadline</th>
			<th>Status</th>
			<th>Amount</th>
		</tr>
	</thead>
	<tbody>
		<tr>
			<td>1</td>
			<td>Alphabet puzzle</td>
			<td>2016/01/15</td>
			<td>Done</td>
			<td data-order="1000">€1.000,00</td>
		</tr>
		<tr>
			<td>2</td>
			<td>Layout for poster</td>
			<td></td>
			<td></td>
			<td></td>
		</tr>
		<tr>
			<td>3</td>
			<td>Image creation</td>
			<td>2016/01/23</td>
			<td></td>
			<td data-order="1500">€1.500,00</td>
		</tr>
		<tr>
			<td>4</td>
			<td>Create font</td>
			<td>2016/02/26</td>
			<td>Done</td>
			<td data-order="1200">€1.200,00</td>
		</tr>
		<tr>
			<td>5</td>
			<td>Sticker production</td>
			<td>2016/02/18</td>
			<td>Planned</td>
			<td data-order="2100">€2.100,00</td>
		</tr>
		<tr>
			<td>6</td>
			<td>Glossy poster</td>
			<td>2016/03/17</td>
			<td>To Do</td>
			<td data-order="899">€899,00</td>
		</tr>
		<tr>
			<td>7</td>
			<td>Beer label</td>
			<td>2016/05/28</td>
			<td>Confirmed</td>
			<td data-order="2499">€2.499,00</td>
		</tr>
		<tr>
			<td>8</td>
			<td>Shop sign</td>
			<td>2016/04/19</td>
			<td>Offer</td>
			<td data-order="1099">€1.099,00</td>
		</tr>
		<tr>
			<td>9</td>
			<td>X-Mas decoration</td>
			<td>2016/10/31</td>
			<td>Confirmed</td>
			<td data-order="1750">€1.750,00</td>
		</tr>
		<tr>
			<td>10</td>
			<td>Halloween invite</td>
			<td>2016/09/12</td>
			<td>Planned</td>
			<td data-order="400">€400,00</td>
		</tr>
		<tr>
			<td>11</td>
			<td>Wedding announcement</td>
			<td>2016/07/09</td>
			<td>To Do</td>
			<td data-order="299">€299,00</td>
		</tr>
		<tr>
			<td>12</td>
			<td>Member pasport</td>
			<td>2016/06/22</td>
			<td>Offer</td>
			<td data-order="149">€149,00</td>
		</tr>
		<tr>
			<td>13</td>
			<td>Drink tickets</td>
			<td>2016/11/01</td>
			<td>Confirmed</td>
			<td data-order="199">€199,00</td>
		</tr>
		<tr>
			<td>14</td>
			<td>Album cover</td>
			<td>2017/03/15</td>
			<td>To Do</td>
			<td data-order="4999">€4.999,00</td>
		</tr>
		<tr>
			<td>15</td>
			<td>Shipment box</td>
			<td>2017/02/08</td>
			<td>Offer</td>
			<td data-order="1399">€1.399,00</td>
		</tr>
		
		<tr>
			<td>16</td>
			<td>Wooden puzzle</td>
			<td>2017/01/11</td>
			<td>Done</td>
			<td data-order="1000">€1.000,00</td>
		</tr>
		<tr>
			<td>17</td>
			<td>Fashion Layout</td>
			<td>2016/01/30</td>
			<td>Planned</td>
			<td data-order="1834">€1.834,00</td>
		</tr>
		<tr>
			<td>18</td>
			<td>Toy creation</td>
			<td>2016/01/10</td>
			<td>To Do</td>
			<td data-order="1550">€1.550,00</td>
		</tr>
		<tr>
			<td>19</td>
			<td>Create stamps</td>
			<td>2016/02/26</td>
			<td>Done</td>
			<td data-order="1220">€1.220,00</td>
		</tr>
		<tr>
			<td>20</td>
			<td>Sticker design</td>
			<td>2017/02/18</td>
			<td>Planned</td>
			<td data-order="2100">€2.100,00</td>
		</tr>
		<tr>
			<td>21</td>
			<td>Poster rock concert</td>
			<td>2017/04/17</td>
			<td>To Do</td>
			<td data-order="899">€899,00</td>
		</tr>
		<tr>
			<td>22</td>
			<td>Wine label</td>
			<td>2017/05/28</td>
			<td>Confirmed</td>
			<td data-order="2799">€2.799,00</td>
		</tr>
		<tr>
			<td>23</td>
			<td>Shopping bag</td>
			<td>2017/04/19</td>
			<td>Offer</td>
			<td data-order="1299">€1.299,00</td>
		</tr>
		<tr>
			<td>24</td>
			<td>Decoration for Easter</td>
			<td>2017/10/31</td>
			<td>Confirmed</td>
			<td data-order="1650">€1.650,00</td>
		</tr>
		<tr>
			<td>25</td>
			<td>Saint Nicolas colorbook</td>
			<td>2017/09/12</td>
			<td>Planned</td>
			<td data-order="510">€510,00</td>
		</tr>
		<tr>
			<td>26</td>
			<td>Wedding invites</td>
			<td>2017/07/09</td>
			<td>To Do</td>
			<td data-order="399">€399,00</td>
		</tr>
		<tr>
			<td>27</td>
			<td>Member pasport</td>
			<td>2017/06/22</td>
			<td>Offer</td>
			<td data-order="249">€249,00</td>
		</tr>
		<tr>
			<td>28</td>
			<td>Drink tickets</td>
			<td>2017/11/01</td>
			<td>Confirmed</td>
			<td data-order="199">€199,00</td>
		</tr>
		<tr>
			<td>29</td>
			<td>Blue-Ray cover</td>
			<td>2018/03/15</td>
			<td>To Do</td>
			<td data-order="1999">€1.999,00</td>
		</tr>
		<tr>
			<td>30</td>
			<td>TV carton</td>
			<td>2019/02/08</td>
			<td>Offer</td>
			<td data-order="1369">€1.369,00</td>
		</tr>
	</tbody>
</table>
!

CSS 

              
                body {margin:2em;}
!

JS 

              
                $(document).ready(function() {
	//Only needed for the filename of export files.
	//Normally set in the title tag of your page.
	document.title='DataTable Excel';
	// DataTable initialisation
	$('#example').DataTable(
		{
			"dom": '<"dt-buttons"Bf><"clear">lirtp',
			"paging": true,
			"autoWidth": true,
			"buttons": [
					{
            extend: 'excelHtml5',
            text: 'Excel',
            customize: function( xlsx ) {
							var sheet = xlsx.xl.worksheets['sheet1.xml'];
    					// Get reference to the worksheet and parse it to xml nodes
							// Has to be done this way to avoid creation of namespace atributes.
							var afSerializer = new XMLSerializer();
							var xmlString = afSerializer.serializeToString(sheet);
							var parser = new DOMParser();
							var xmlDoc = parser.parseFromString(xmlString,'text/xml');
							//Create header and add it to the worksheet
							var headerFooter = xmlDoc.createElementNS('http://schemas.openxmlformats.org/spreadsheetml/2006/main','headerFooter');
							sheet.getElementsByTagName('worksheet')[0].appendChild(headerFooter);
							var nodeHeaderFooter = sheet.getElementsByTagName("headerFooter");
							//Creation of the header
							var oddHeader = xmlDoc.createElementNS('http://schemas.openxmlformats.org/spreadsheetml/2006/main','oddHeader');
							nodeHeaderFooter[0].appendChild(oddHeader);
							var nodeOddHeader = sheet.getElementsByTagName("oddHeader");
							//The header/footer column definitions
							// If unwanted, you can skip a column
							//&L = Left column
							//&F = Filename
							//&A = sheetname
							//&C = Center column
							//&D = Date
							//&T = Time
							//&R = Right Column
							//&P = Pagenumber
							//&N = Total number of pages
							var txtHeader = "&L"+"&F - &A"+"&R"+"&D - &T";
							var nodeHeader = xmlDoc.createTextNode(txtHeader);
							nodeOddHeader[0].appendChild(nodeHeader);
							//Creation of the footer
							var oddFooter = xmlDoc.createElementNS('http://schemas.openxmlformats.org/spreadsheetml/2006/main','oddFooter');
							nodeHeaderFooter[0].appendChild(oddFooter);
							var nodeOddFooter = sheet.getElementsByTagName("oddFooter");
							var txtFooter = "&R"+"Page &P of &N";
							var nodeFooter = xmlDoc.createTextNode(txtFooter);
							nodeOddFooter[0].appendChild(nodeFooter);
							//Add header and footer to the worksheet
							sheet.getElementsByTagName('worksheet')[0].appendChild(headerFooter);
						}
					}
			]
		}
	);
});
!
999px

Console