如何从PDF中删除边距?(使用 Wea​​syPrint 生成)

Che*_*ers 6 python pdf margin flask weasyprint

我正在尝试在 Flask 应用程序中呈现 PDF 文档。为此,我使用以下 HTML 模板:

<!DOCTYPE html>

<html>
<head>
<style>
    @page {
        margin:0
    }
    h1 {
        color:white;
    }
    .header{
        background: #0a0045;
        height: 250px;
    }
    .center {
        position: relative;
        top: 50%;
        left: 50%;
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        text-align:center;
    }

</style>
</head>
<body>
<div class="header">
    <div class="center">
        <h1>Name</h1>
    </div>
</div>
</body>
</html>
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我的标题部分的顶部和右侧/左侧不断出现白色边距:

如何从该 PDF 中删除边距?

有没有办法去除它们?

编辑:

下面是用于在我的 Flask 应用程序中使用 Wea​​syPrint 生成 PDF 文件的代码:

def generate_pdf(id):
    element = Element.query.filter_by(id=id).first()
    attri_dict = get_element_attri_dict_for_tpl(element)
    html = render_template('element.html', attri_dict=attri_dict)
    pdf = HTML(string=html).write_pdf()
    destin_loc = app.config['ELEMENTS_FOLDER']
    timestamp = dt.datetime.now().strftime('%Y%m%d%H%M%S')
    file_name = '_'.join(['new_element', timestamp])
    path_to_new_file = destin_loc + '/%s.pdf' % file_name
    f = open(path_to_new_file, 'wb')
    f.write(pdf)
    filename = return_latest_element_path()
    return send_from_directory(directory=app.config['ELEMENTS_FOLDER'],
                           filename=filename,
                           as_attachment=True)
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小智 8

Maybe you forgot " ; " or/and " mm ", it works:

@page {
        size: A4; /* Change from the default size of A4 */
        margin: 0mm; /* Set margin on each page */
      }
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