一般我们需要设置一个div与浏览器等高并等宽充满全屏，然后设置背景图片来达到一个高大上的排版效果。具体的例子看下面的图片演示：
随着鼠标的滚动，整个图片也滚上去了。
以前为了达到这样的等高效果，一般通过js来获取当前浏览器高度然后动态设置div的height，有时候还需要不断地检测浏览器resize事件来不断调整div的height。
其实CSS自带的两个单位vw与vh就能支持与浏览器等高等宽的效果，完全可以抛弃js了！
演示效果
html代码如下:
<!DOCTYPE html><html><head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>全屏图片</title> <link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.6/css/bootstrap.min.css"> <style> .fullbg { position: relative; width: 100vw; height: 100vh; background-position: center center; background-size: cover; background-repeat: no-repeat; } .inner-content { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: #fff; } </style></head><body> <div class="fullbg" style="background-image: url('http://s.dgtle.com/portal/201601/08/180115ol7n5o75zy7hm002.jpg?szhdl=imageview/2/w/1900');"> <div class="inner-content"> <h1 id="我就是这么屌">我就是这么屌</h1> </div> </div> <div class="entry-content"> <p> 相信方今不再会有人质疑手机仅仅只是一个纯粹的通讯工具，随着移动社交应用日渐成为生活中不可缺少的工具，手机的照相功能表现甚至成为了衡量一部手机好坏的关键指标。在绝大部分的旗舰级手机新品发布会之中，我们经常可以看到各厂商们在介绍自家旗舰级机型拍照能力之时自吹自捧得无可匹敌，但我们深知在这些顶级水平的旗舰级手机当中，仍然需要使用真正的实力去决一胜负，而这正是本文的主要任务。 </p> <p> 本文我们选择了四款旗舰机型，当中分别有索尼 Xperia Z5 Premium 、苹果 iPhone 6s Plus、 三星 Galaxy S6 Edge+、谷歌 Nexus 6P。 </p> </div></body></html> css核心代码如下
.fullbg { position: relative; width: 100vw; height: 100vh; background-position: center center; background-size: cover; background-repeat: no-repeat;} 
HTML, CSS, and JavaScript: Examples and Practical ApplicationsMay 09, 2025 am 12:01 AMThe roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.
How do you set the lang attribute on the tag? Why is this important?May 08, 2025 am 12:03 AMSetting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.
What is the purpose of HTML attributes?May 07, 2025 am 12:01 AMHTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform
How do you create a list in HTML?May 06, 2025 am 12:01 AMTocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.
HTML in Action: Examples of Website StructureMay 05, 2025 am 12:03 AMHTML is used to build websites with clear structure. 1) Use tags such as, and define the website structure. 2) Examples show the structure of blogs and e-commerce websites. 3) Avoid common mistakes such as incorrect label nesting. 4) Optimize performance by reducing HTTP requests and using semantic tags.
How do you insert an image into an HTML page?May 04, 2025 am 12:02 AMToinsertanimageintoanHTMLpage,usethetagwithsrcandaltattributes.1)UsealttextforaccessibilityandSEO.2)Implementsrcsetforresponsiveimages.3)Applylazyloadingwithloading="lazy"tooptimizeperformance.4)OptimizeimagesusingtoolslikeImageOptimtoreduc
HTML's Purpose: Enabling Web Browsers to Display ContentMay 03, 2025 am 12:03 AMThe core purpose of HTML is to enable the browser to understand and display web content. 1. HTML defines the web page structure and content through tags, such as, to, etc. 2. HTML5 enhances multimedia support and introduces and tags. 3.HTML provides form elements to support user interaction. 4. Optimizing HTML code can improve web page performance, such as reducing HTTP requests and compressing HTML.
Why are HTML tags important for web development?May 02, 2025 am 12:03 AMHTMLtagsareessentialforwebdevelopmentastheystructureandenhancewebpages.1)Theydefinelayout,semantics,andinteractivity.2)SemantictagsimproveaccessibilityandSEO.3)Properuseoftagscanoptimizeperformanceandensurecross-browsercompatibility.
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
PhpStorm Mac version
The latest (2018.2.1) professional PHP integrated development tool
SublimeText3 Chinese version
Chinese version, very easy to use
Notepad++7.3.1
Easy-to-use and free code editor
