将CSS元素应用于PHP动态数据

我是将排版和页面布局元素应用于动态数据的新手。

我用过这个代码-<p><?php echo preg_replace('/['r'n]+/', '</p><p>', $row_rs_AZ_Products_Detail_pg['ItemLongDesc']); ?></p>

插入以下从我的数据库生成的段落。段落被完美地分隔开，但我需要创建一个信息需求项目符号的列表格式或在段落中间编号。我被指示放置这个代码-

p {
    margin: 0 0 0.25em 0;
}

进入页面，但我不知道如何做到这一点。有人能帮我做这件事吗？或者提出更好的建议吗？非常感谢您的协助。

数据输出：

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CENTER PHOTO OR LOGO - (attach jpeg format image)
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YOUR CONTACT PHONE - [Type your text here]
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