效果预览:http://hovertree.com/code/texiao/ks63r6aq.htm
1 <!DOCTYPE html> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <title>超漂亮的HTML导航菜单CSS代码 - 何问起</title> 5 <style> 6 #top { 7 display: block; 8 text-align: left; 9 height: 105px; 10 position: relative; 11 z-index: 0; 12 } 13 14 .m { 15 margin: 0 auto; 16 width: 970px; 17 } 18 19 body { 20 font-size: 12px; 21 } 22 23 a { 24 color: #333; 25 text-decoration: none; 26 } 27 28 a:link { 29 text-decoration: none; 30 } 31 /* Download by http://hovertree.com*/ 32 a.blue:link, a.blue:visited { 33 color: #014cc9; 34 text-decoration: none; 35 } 36 37 a.blue:hover, a.blue:active { 38 color: #014cc9; 39 text-decoration: underline; 40 } 41 42 a.org:link, a.org:visited { 43 color: #ff4e00; 44 text-decoration: none; 45 } 46 47 a:hover, a:active, a.org:hover, a.org:active { 48 color: #ff4e00; 49 text-decoration: underline; 50 } 51 52 #navpart { 53 background: url(http://hovertree.com/hvtimg/bjafjb/6hcuxj1x.gif) repeat-x center top; 54 height: 105px; 55 width: 950px; 56 z-index: 0; 57 margin-top: 0; 58 margin-right: auto; 59 margin-bottom: 0; 60 margin-left: auto; 61 clear: both; 62 position: relative; 63 } 64 65 #navpart .sideleft { 66 background: url(http://hovertree.com/hvtimg/bjafjb/6hcuxj1x.gif) no-repeat left bottom; 67 float: left; 68 height: 105px; 69 width: 6px; 70 } 71 72 #navpart .sideright { 73 background: url(http://hovertree.com/hvtimg/bjafjb/6hcuxj1x.gif) no-repeat right bottom; 74 float: right; 75 height: 105px; 76 width: 6px; 77 } 78 79 #navmenubar { 80 height: 32px; 81 float: left; 82 display: inline; 83 margin: 0 -6px; 84 width: 100%; 85 position: relative; 86 z-index: 3; 87 top: 0; 88 } 89 90 #hot { 91 background: url(http://hovertree.com/hvtimg/201508/7qmwfe9p.png) no-repeat left top; 92 height: 21px; 93 width: 19px; 94 position: absolute; 95 top: -5px; 96 right: 2px; 97 z-index: 666; 98 background:black; 99 }100 101 #navmenubar .sideleft {102 background: url(http://hovertree.com/hvtimg/bjafjb/ay73nxk5.gif) no-repeat left bottom;103 float: left;104 height: 32px;105 width: 6px;106 display: inline;107 margin: 0 0 0 8px;108 }109 110 #navmenubar .sideright {111 background: url(http://hovertree.com/hvtimg/bjafjb/ay73nxk5.gif) no-repeat right bottom;112 float: left;113 height: 32px;114 width: 6px;115 display: inline;116 margin: 0 4px 0 -2px;117 }118 /* NAVMENU */119 #navmenubar .navmenu {120 background: url(http://hovertree.com/hvtimg/bjafjb/ay73nxk5.gif) repeat-x center top;121 height: 32px;122 padding: 0;123 margin: 0;124 float: left;125 display: inline;126 }127 128 #navmenubar .navmenu li {129 float: left;130 white-space: nowrap;131 margin: 0px;132 padding: 0px;133 display: inline;134 }135 136 #navmenubar .navmenu li a {137 background: url(http://hovertree.com/hvtimg/bjafjb/d46iuj2w.gif) no-repeat 0 0;138 width: 80px;139 padding: 7px 2px 5px 0;140 float: left;141 line-height: 20px;142 height: 20px;143 text-align: center;144 }145 146 #navmenubar .navmenu li a:hover {147 background-position: 0 -32px;148 color: #602800;149 text-decoration: none;150 padding: 8px 2px 4px 0;151 }152 153 #navmenubar .navmenu .current a, #navmenubar .navmenu .current a:hover {154 background: url(http://hovertree.com/hvtimg/bjafjb/d46iuj2w.gif) no-repeat 0 -64px;155 font-weight: 600;156 color: #FFF;157 font-size: 14px;158 padding: 7px 2px 5px 0;159 }160 161 #top #navpart .content {162 margin-top: 40px;163 margin-right: auto;164 margin-bottom: 0px;165 margin-left: auto;166 width: 900px;167 height: auto;168 color: white;169 }170 171 #top #navpart .content a {172 color: white;173 display: inline-block;174 margin-top: 0px;175 height: 30px;176 border: 0px solid white;177 line-height: 30px;178 padding: 10px;179 }180 181 .clear {182 clear: both;183 display: block;184 font: 0px/0 sans-serif;185 height: 0px;186 overflow: hidden;187 }188 </style>189 190 </head>191 <body>192 <div id="top" class="m">193 <div id="navpart">194 <div class="sideleft"></div>195 <div class="sideright"></div>196 <!--NavMenu-->197 <div id="navmenubar">198 <div class="sideleft"></div>199 <ul class="navmenu">200 <li class="current"><a href="http://hovertree.com" target="_top" title="首页">何问起</a></li>201 <li><a href="http://hovertree.com/"><span>编程资源</span></a></li>202 <li><a href="http://hovertree.com"><span>高质量源码</span></a></li>203 </ul>204 <div class="sideright"></div>205 <div class="sideleft"></div>206 <ul class="navmenu">207 <li><a href="http://tool.hovertree.com"><span>工具</span></a></li>208 <li><a href="http://hovertree.com/code/"><span>代码</span></a></li>209 <li><a href="http://keleyi.com"><span>jQuery教程</span></a></li>210 <li><a href="http://hovertree.com/tiku/"><span>在线题库</span></a></li>211 </ul>212 <div class="sideright"></div>213 <div>214 <div class="content">215 <a href="http://hovertree.com/" target="_blank">特效代码</a> <a href="http://hovertree.com/ziyuan/js/" target="_blank">JS运算符优先级</a>216 <a href="http://hovertree.com/code/texiao/ks63r6aq.htm" target="_blank">特效代码</a> <a href="http://hovertree.com/" target="_blank">特效代码</a> <a href="http://hovertree.com/" target="_blank">特效代码</a><a href="http://hovertree.com/hvtart/bjae/e4pya1x0.htm" target="_blank">.NET正则表达式</a>217 <a href="http://hovertree.com/" target="_blank">特效代码</a> <a href="keleyi.com/ziliao/googlejavascriptstyle.htm" target="_blank">谷歌JS风格</a> <a href="http://hovertree.com/" target="_blank">特效代码</a> <a href="http://hovertree.com/" target="_blank">特效代码</a> <a href="http://hovertree.com/h/bjaf/nebj8df9.htm" target="_blank">js实现异步循环</a>218 219 </div>220 </div>221 </div>222 </div>223 </div>224 <div class="clear"></div>225 </body>226 </html>227 228
网页特效:

HTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

The role of HTML is to define the structure and content of a web page through tags and attributes. 1. HTML organizes content through tags such as , making it easy to read and understand. 2. Use semantic tags such as, etc. to enhance accessibility and SEO. 3. Optimizing HTML code can improve web page loading speed and user experience.

HTMLisaspecifictypeofcodefocusedonstructuringwebcontent,while"code"broadlyincludeslanguageslikeJavaScriptandPythonforfunctionality.1)HTMLdefineswebpagestructureusingtags.2)"Code"encompassesawiderrangeoflanguagesforlogicandinteract

HTML, CSS and JavaScript are the three pillars of web development. 1. HTML defines the web page structure and uses tags such as, etc. 2. CSS controls the web page style, using selectors and attributes such as color, font-size, etc. 3. JavaScript realizes dynamic effects and interaction, through event monitoring and DOM operations.

HTML defines the web structure, CSS is responsible for style and layout, and JavaScript gives dynamic interaction. The three perform their duties in web development and jointly build a colorful website.

HTML is suitable for beginners because it is simple and easy to learn and can quickly see results. 1) The learning curve of HTML is smooth and easy to get started. 2) Just master the basic tags to start creating web pages. 3) High flexibility and can be used in combination with CSS and JavaScript. 4) Rich learning resources and modern tools support the learning process.

AnexampleofastartingtaginHTMLis,whichbeginsaparagraph.StartingtagsareessentialinHTMLastheyinitiateelements,definetheirtypes,andarecrucialforstructuringwebpagesandconstructingtheDOM.


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