Features:
1. Rounded border border-radius
2. The text has a background text- shadow
3. The button has a shadow box-shadow
4. The text has an upward shadow text-shadow
5. The button background color has a gradient from top to bottom Effect linear-gradient
6. There is obviously a click effect after clicking
<!DOCTYPE html><html> <head> <link rel="stylesheet" href="style.css"> <style> .btn{ background-color: #ee432e; background-image: -webkit-linear-gradient(top, #ee432e 0%, #c63929 50%,#b51700 50%, #891100 100%); background-image: -moz-linear-gradient(top, #ee432e 0%, #c63929 50%,#b51700 50%, #891100 100%); background-image: -o-linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%); background-image: linear-gradient(top, #ee432e 0%, #c63929 50%, #b51700 50%, #891100 100%); border: 1px solid #951100; padding: 12px 20px 14px 20px; border-radius: 5px; text-decoration: none; color: #fff; font: bold 20px/1 “helvetica neue”, helvetica, arial, sans-serif; text-align: center; box-shadow: 0 1px 3px #333333; text-shadow: 0px -1px 1px rgba(0, 0, 0, 0.8); position:relative; display:inline-block; cursor:pointer; } .btn:active { position: relative; top: 1px; } </style> <script src="script.js"></script> </head> <body> <div class="btn">aaa</div> </body></html> The reason why background-color is used when there is a gradient is that the browser does not support it When the gradient attribute is used, the background color is displayed, which has no three-dimensional effect:
Of course, lazy people can use http://css3button.net/ to generate css3 buttons:
Change the font size and the button size will also change
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.
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