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随笔分类 - css
html加水印背景
摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>页面添加水印</title> <script src="https://s3.pstatp.com/cdn/expire-1-M/jquery/3.3.1/jq
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边框阴影
摘要：<!doctype html> <html lang="zh"> <head> <meta charset="UTF-8"> <title>边框阴影</title> <style> .test { width: 200px; height: 200px; margin: 20px auto; lin
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css 模态框
摘要：<!DOCTYPE html> <html lang="en" > <head> <meta charset="UTF-8"> <title>CSS Modal</title> <meta name="viewport" content="width=device-width, initial-sc
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