作为javascript开发,简述padding-box盒模型 ?


在CSS中,盒模型(Box Model)是一个用来描述元素如何布局的模型。它将一个元素划分为四个部分:内容(Content)、填充(Padding)、边框(Border)和外边距(Margin)。 而Padding-Box盒模型则是CSS3中新增的一种盒模型。在Padding-Box盒模型中,元素的总宽度和总高度包括内容区、填充区和边框区,但不包括外边距区。这意味着外边距不会影响元素的总宽度和总高度。例如: ```css .box { width: 100px; height: 100px; padding: 20px; border: 1px solid black; margin: 20px; } ``` 在Padding-Box盒模型中,.box元素的总宽度为162px(100px内容区 + 40px填充区 + 2px边框区),总高度为162px(100px内容区 + 40px填充区 + 2px边框区)。 相比之下,W3C标准盒模型(Content-Box盒模型)中,元素的总宽度和总高度只包括内容区,不包括填充区、边框区和外边距区。这意味着外边距会影响元素的总宽度和总高度。例如: ```css .box { width: 100px; height: 100px; padding: 20px; border: 1px solid black; margin: 20px; } ``` 在Content-Box盒模型中,.box元素的总宽度为142px(100px内容区 + 20px填充区 + 2px边框区),总高度为142px(100px内容区 + 20px填充区 + 2px边框区)。 Padding-Box盒模型和Content-Box盒模型的主要区别在于元素的总宽度和总高度的计算方式。在选择使用哪种盒模型时,需要根据具体的需求和设计来决定。 [2023-11-09 01:07:46 | AI写代码神器 | 460点数解答]
- 解释一下:*{-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-user-select:none;outline:0;-webkit-tap-highlight-color:transparent;-webkit-tap-highlight-color:transparent}(357点数解答 | 2023-11-26 21:06:21)245
- 如何取消*{-webkit-box-sizing:border-box;box-sizing:border-box;-webkit-user-select:none;outline:0;-webkit-tap-highlight-color:transparent;}的css设置(377点数解答 | 2023-11-26 21:15:59)269
- <!DOCTYPE html> <html> <head> <style> .sunscreen-guide { max-width: 600px; margin: 20px auto; padding: 25px; background: #fff9fb; border-radius: 15px; box-shadow: 0 4px 10px rgba(255,150,180,0.1); font-family: -apple-system, system-ui; } .title { color: #ff5e8e; font-size: 24px; text-align: center; margin-bottom: 25px; position: relative; } .tip-card { background: white; padding: 18px; margin: 15px 0; border-radius: 12px; border-left: 4px solid #ffb6c1; box-(173点数解答 | 2025-02-21 14:42:02)126
- <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>HBN系列海报</title> <style> /* 全局样式 */ * { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Helvetica Neue', Arial, sans-serif; } body { background-color: #f5f7fa; padding: 20px; } .poster-series { di(2148点数解答 | 2025-06-11 22:53:14)159
- <!DOCTYPE html> <html> <head> <style> body { font-family: 'Arial', sans-serif; background: #fff5f7; padding: 20px; } .container { max-width: 600px; margin: 0 auto; background: white; border-radius: 15px; padding: 25px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); } .title { color: #ff3366; font-size: 24px; text-align: center; padding: 15px; background: #fff0f3; border-radius: 10px; margin-bottom: 20px; } .tip-card { background: #f8f9fa; border-left: 4px solid #f(308点数解答 | 2025-02-26 23:11:57)226
- <!DOCTYPE html> <html> <head> <style> .container { max-width: 600px; margin: 20px auto; padding: 15px; background: #fafafa; } .card { background: white; border-radius: 15px; padding: 20px; margin-bottom: 20px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); } .title { color: #FF4F6D; font-size: 20px; margin: 10px 0; font-weight: bold; } .tag { background: #FFF0F3; color: #FF4F6D; padding: 3px 8px; border-radius: 5px; display: inline-block; margin: 5px 0; } .buttons {(179点数解答 | 2025-03-29 16:06:33)134
- <!DOCTYPE html> <html> <head> <style> body { font-family: Arial, sans-serif; max-width: 800px; margin: auto; border: 2px solid #e0e0e0; padding: 20px } .header { text-align: center; border-bottom: 2px solid #c00; padding-bottom: 10px } .section { margin: 15px 0 } table { width: 100%; border-collapse: collapse } th, td { border: 1px solid #ddd; padding: 8px; text-align: left } .diagnosis { background: #fff8e1; padding: 15px; border-left: 4px solid #ffc107 } .signatur(223点数解答 | 2025-06-10 13:32:12)90
- <!DOCTYPE html> <html> <head> <title>PCSP金属盘-AR泡沫玻璃板安装仿真</title> <style> body { font-family: Arial, sans-serif; margin: 20px; } .diagram { background: #f5f5f5; padding: 15px; margin: 10px 0; border-radius: 5px; } pre { background: #eee; padding: 10px; overflow-x: auto; } table { border-collapse: collapse; width: 100%; margin: 15px 0; } th, td { border: 1px solid #ddd; padding: 8px; text-align: left; } button { padding: 8px 12px; margin: 5px(1571点数解答 | 2025-06-16 21:26:05)97
- <!DOCTYPE html> <html> <head> <style> .container { max-width: 600px; margin: 20px auto; padding: 25px; background: #fff5f7; border-radius: 15px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); font-family: 'Helvetica Neue', Arial, sans-serif; } .title { color: #e63946; font-size: 24px; text-align: center; margin-bottom: 20px; font-weight: bold; } .step-box { background: white; (191点数解答 | 2025-03-19 20:47:47)113
- <!DOCTYPE html> <html> <head> <style> .container { max-width: 600px; margin: 20px auto; padding: 25px; background: #fff5f7; border-radius: 15px; box-shadow: 0 4px 8px rgba(0,0,0,0.1); font-family: 'Helvetica Neue', Arial, sans-serif; } .title { color: #e63946; font-size: 24px; text-align: center; margin-bottom: 20px; font-weight: bold; } .step-box { background: white; (79点数解答 | 2025-03-19 20:48:32)122
- <!DOCTYPE html> <html lang="zh"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>梦幻动态壁纸</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; } body { overflow: hidden; height: 100vh; background: linear-gradient(to bottom, #1a2980, #26d0ce); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sa(1654点数解答 | 2025-06-02 07:34:58)197
- <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <title>Deep画板V0.3</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"> <style> * { margin: 0; padding: 0; box-sizing: border-box; touch-action: manipulation; -webkit-tap-highligh(2212点数解答 | 2025-06-07 20:33:52)148