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	Styling sheets
General styling
If you want to change the general styling of your sheet (not cell or range specific), you can use the ->setStyle() method or any of the other setters which can be found inside the export documentation.
// Font family
$sheet->setFontFamily('Comic Sans MS');
// Set font with ->setStyle()`
$sheet->setStyle(array(
    'font' => array(
        'name'      =>  'Calibri',
        'size'      =>  12,
        'bold'      =>  true
    )
));
Styling with PHPExcel methods
It's possible to style the sheets and specific cells with help of PHPExcel methods. This package includes a lot of shortcuts (see export documentation), but also always the use of the native methods.
// Set background color for a specific cell
$sheet->getStyle('A1')->applyFromArray(array(
    'fill' => array(
        'type'  => PHPExcel_Style_Fill::FILL_SOLID,
        'color' => array('rgb' => 'FF0000')
    )
));
Using HTML tags
Most of the HTML tags are supported.
<html>
    <!-- Headings -->
    <td><h1>Big title</h1></td>
    <!--  Bold -->
    <td><b>Bold cell</b></td>
    <td><strong>Bold cell</strong></td>
    <!-- Italic -->
    <td><i>Italic cell</i></td>
    <!-- Images -->
    <td><img src="img.jpg" /></td>
</html>
Inside the
view.phpconfig you can change how these tags will be interpreted by Excel by default.
Using HTML attributes
Some of the basic styling can be done with HTML attributes.
<html>
    <!-- Horizontal alignment -->
    <td align="right">Big title</td>
    <!--  Vertical alignment -->
    <td valign="middle">Bold cell</td>
    <!-- Rowspan -->
    <td rowspan="3">Bold cell</td>
    <!-- Colspan -->
    <td colspan="6">Italic cell</td>
    <!-- Width -->
    <td width="100">Cell with width of 100</td>
    <!-- Height -->
    <td height="100">Cell with height of 100</td>
</html>
Styling through inline-styles
It's possible to use inline styles inside your view files. Most of the general styles are supported.
<html>
    <!-- Cell with black background -->
    <td style="background-color: #000000;">Cell</td>
</html>
Inside the reference guide you can find a list of supported styles.
Styling through external CSS file
Styling can be done through an external CSS file.
External css file:
#cell {
    background-color: #000000;
    color: #ffffff;
}
.cell {
    background-color: #000000;
    color: #ffffff;
}
tr td {
    background-color: #ffffff;
}
tr > td {
    border-bottom: 1px solid #000000;
}
Table:
<html>
    {{ HTML::style('css/table.css') }}
    <!-- Cell styled with class -->
    <td class="cell">Cell</td>
    <!-- Cell styled with ID -->
    <td id="cell">Cell</td>
</html>
Inside the reference guide you can find a list of supported styles.
It's advised to include
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />into the view to fix problems with UTF-8 encoding.
