不容错过的20段CSS代码

Web开发技术每年都在革新,浏览器已逐渐支持CSS3特性,并且网站设计师和前端开发者普遍采用这种新技术进行设计与开发。但仍然有一些开发者迷恋着一些CSS2代码。

分享20段非常专业的CSS2/CSS3代码供大家使用,你可以把它们保存在IDE里、或者存储在CSS文档里,这些代码片段绝对会给你带来意外的惊喜。

1. CSS Resets

网络上关于CSS重置的代码非常多。本段代码是根据Eric Meyer’s reset codes进行改编的,里面包含一点响应式图片和所有核心元素的边界框设置,这样就可以保持页边距和填充可以很好地对齐。

不容错过的20段CSS代码
 1 html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
 2   margin: 0;
 3   padding: 0;
 4   border: 0;
 5   font-size: 100%;
 6   font: inherit;
 7   vertical-align: baseline;
 8   outline: none;
 9   -webkit-box-sizing: border-box;
10   -moz-box-sizing: border-box;
11   box-sizing: border-box;
12 }
13 html { height: 101%; }
14 body { font-size: 62.5%; line-height: 1; font-family: Arial, Tahoma, sans-serif; }
15 
16 article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section { display: block; }
17 ol, ul { list-style: none; }
18 
19 blockquote, q { quotes: none; }
20 blockquote:before, blockquote:after, q:before, q:after { content: ‘‘; content: none; }
21 strong { font-weight: bold; } 
22 
23 table { border-collapse: collapse; border-spacing: 0; }
24 img { border: 0; max-width: 100%; }
25 
26 p { font-size: 1.2em; line-height: 1.0em; color: #333; }
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2.经典的CSS Clearfix

这个clearfix代码已在Web开发者之间广泛流传,这段类选择器要应用到持有浮动元素的容器中,确保后面的内容都不会浮动,但会被下推和清除。

不容错过的20段CSS代码
1 .clearfix:after { content: "."; display: block; clear: both; visibility: hidden; line-height: 0; height: 0; }
2 .clearfix { display: inline-block; }
3  <font></font>  
4 html[xmlns] .clearfix { display: block; }
5 * html .clearfix { height: 1%; }  
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3.升级版的Clearfix

在表现上,新版本和经典版本不存在什么差异,这些类可以有效地清除所有floats,但它们只兼容现代浏览器和传统的IE 6-8。

不容错过的20段CSS代码
1 .clearfix:before, .container:after { content: ""; display: table; }<font></font>  
2 .clearfix:after { clear: both; }
3 /* IE 6/7 */
4 .clearfix { zoom: 1; }  
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4. Cross-Browser Transparency 

CSS3里的许多属性都与浏览器相兼容,但也有特例,比如opacity,需要对它进行一些更新才可以。附加过滤属性可以兼容任何老版的IE浏览器。

不容错过的20段CSS代码
1 .transparent {
2     filter: alpha(opacity=50); /* internet explorer */
3     -khtml-opacity: 0.5;      /* khtml, old safari */
4     -moz-opacity: 0.5;       /* mozilla, netscape */
5     opacity: 0.5;           /* fx, safari, opera */
6 }  
View Code

源码地址: http://perishablepress.com/cross-browser-transparency-via-css/

 

5. CSS Blockquote模板

这段代码主要用在页面上进行分离引用或复制内容,并且给页面文字提供了默认样式。 

不容错过的20段CSS代码
blockquote {
    background: #f9f9f9;<
    border-left: 10px solid #ccc; 
    margin: 1.5em 10px;
    padding: .5em 10px;
    quotes: "\201C""\201D""\2018""\2019";
}
blockquote:before {
    color: #ccc;
    content: open-quote;  
    font-size: 4em;
    line-height: .1em;
    margin-right: .25em; 
    vertical-align: -.4em;
} 
blockquote p {
    display: inline;
}  
View Code

查看源码: http://css-tricks.com/snippets/css/simple-and-nice-blockquote-styling/

 

6. 个性化的圆角代码

许多CSS开发者都非常熟悉圆角语法,但如何为每个角设置不同的值?不如看看下面这段代码吧!

不容错过的20段CSS代码
 1 #container {
 2     -webkit-border-radius: 4px 3px 6px 10px;
 3     -moz-border-radius: 4px 3px 6px 10px;
 4     -o-border-radius: 4px 3px 6px 10px;  
 5     border-radius: 4px 3px 6px 10px;
 6 }
 7 /* alternative syntax broken into each line */
 8 #container {
 9     -webkit-border-top-left-radius: 4px;
10     -webkit-border-top-rightright-radius: 3px;
11     -webkit-border-bottom-rightright-radius: 6px;
12     -webkit-border-bottom-left-radius: 10px;
13     -moz-border-radius-topleft: 4px;
14     -moz-border-radius-topright: 3px;
15     -moz-border-radius-bottomright: 6px;
16     -moz-border-radius-bottomleft: 10px;
17 }  
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7. 一般媒体查询

这是一段非常好的模板,用于各种零零碎碎的媒体查询,在移动设备上也可以使用,这段代码甚至可以通过使用min-device-pixel-ratio引用到视网膜设备上。

不容错过的20段CSS代码
 1 /* Smartphones (portrait and landscape) ----------- */
 2 @media only screen  
 3 and (min-device-width : 320px) and (max-device-width : 480px) {  
 4   /* Styles */ 
 5 }  
 6 /* Smartphones (landscape) ----------- */
 7 @media only screen and (min-width : 321px) {
 8   /* Styles */
 9 }  
10 /* Smartphones (portrait) ----------- */
11 @media only screen and (max-width : 320px) {
12   /* Styles */  
13 } 
14 /* iPads (portrait and landscape) ----------- */
15 @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) {
16   /* Styles */  
17 } 
18 <font></font>  
19 /* iPads (landscape) ----------- */
20 @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : landscape) {
21   /* Styles */
22 } 
23 /* iPads (portrait) ----------- */
24 @media only screen and (min-device-width : 768px) and (max-device-width : 1024px) and (orientation : portrait) { 
25   /* Styles */
26 }   
27 /* Desktops and laptops ----------- */
28 @media only screen and (min-width : 1224px) {
29   /* Styles */
30 }
31 /* Large screens ----------- */
32 @media only screen and (min-width : 1824px) {
33   /* Styles */
34 } 
35 /* iPhone 4 ----------- */
36 @media only screen and (-webkit-min-device-pixel-ratio:1.5), only screen and (min-device-pixel-ratio:1.5) {
37   /* Styles */
38 }  
View Code

源码地址: http://css-tricks.com/snippets/css/media-queries-for-standard-devices/

 

8. 现代字体栈

在新网页上设计属于自己的字体栈还是件比较困难的事情,希望下面这段代码能给你带来启发和开发模板,关于更多字体栈源码,你可以访问CSS Font Stacks

不容错过的20段CSS代码
 1 /* Times New Roman-based serif */  
 2 font-family: Cambria, "Hoefler Text", Utopia, "Liberation Serif", "Nimbus Roman No9 L Regular", Times, "Times New Roman", serif;  
 3   
 4 /* A modern Georgia-based serif */  
 5 font-family: Constantia, "Lucida Bright", Lucidabright, "Lucida Serif", Lucida, "DejaVu Serif," "Bitstream Vera Serif", "Liberation Serif", Georgia, serif;  
 6   
 7 /*A more traditional Garamond-based serif */  
 8 font-family: "Palatino Linotype", Palatino, Palladio, "URW Palladio L", "Book Antiqua", Baskerville, "Bookman Old Style", "Bitstream Charter", "Nimbus Roman No9 L", Garamond, "Apple Garamond", "ITC Garamond Narrow", "New Century Schoolbook", "Century Schoolbook", "Century Schoolbook L", Georgia, serif;  
 9   
10 /*The Helvetica/Arial-based sans serif */  
11 font-family: Frutiger, "Frutiger Linotype", Univers, Calibri, "Gill Sans", "Gill Sans MT", "Myriad Pro", Myriad, "DejaVu Sans Condensed", "Liberation Sans", "Nimbus Sans L", Tahoma, Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;  
12   
13 /*The Verdana-based sans serif */  
14 font-family: Corbel, "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", "DejaVu Sans", "Bitstream Vera Sans", "Liberation Sans", Verdana, "Verdana Ref", sans-serif;  
15   
16 /*The Trebuchet-based sans serif */  
17 font-family: "Segoe UI", Candara, "Bitstream Vera Sans", "DejaVu Sans", "Bitstream Vera Sans", "Trebuchet MS", Verdana, "Verdana Ref", sans-serif;  
18   
19 /*The heavier “Impact” sans serif */  
20 font-family: Impact, Haettenschweiler, "Franklin Gothic Bold", Charcoal, "Helvetica Inserat", "Bitstream Vera Sans Bold", "Arial Black", sans-serif;  
21   
22 /*The monospace */  
23 font-family: Consolas, "Andale Mono WT", "Andale Mono", "Lucida Console", "Lucida Sans Typewriter", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Liberation Mono", "Nimbus Mono L", Monaco, "Courier New", Courier, monospace;  
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 源码地址: http://www.sitepoint.com/eight-definitive-font-stacks/

 

9. 自定义文本选择

一些新的Web浏览器允许你在网页上自定义一些突出显示的颜色,下面代码的默认颜色是浅蓝色,当然,你可以依据个人爱好进行各种颜色设置。下面代码引用了典型的Webkit和Mozilla供应商前缀::selection 。

不容错过的20段CSS代码
1 ::selection { background: #e2eae2; }
2 ::-moz-selection { background: #e2eae2; }
3 ::-webkit-selection { background: #e2eae2; }  
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10.隐藏Logo上的H1文本

不容错过的20段CSS代码
1 h1 {
2     text-indent: -9999px;  
3     margin: 0 auto;
4     width: 320px;
5     height: 85px;
6     background: transparent url("images/logo.png") no-repeat scroll; 
7 }  
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11. 为图片创建拍立得效果边框

运用下面代码可以在图片上实现拍立得相片效果——一大片白色边框和细微的阴影。你需要修改图片的宽度/高度值来与你的网站布局相匹配。

不容错过的20段CSS代码
 1 img.polaroid { 
 2     background:#000; /*Change this to a background image or remove*/ 
 3     border:solid #fff;
 4     border-width:6px 6px 20px 6px;
 5     box-shadow:1px 1px 5px #333; /* Standard blur at 5px. Increase for more depth * 
 6     -webkit-box-shadow:1px 1px 5px #333;
 7     -moz-box-shadow:1px 1px 5px #333; 
 8     height:200px; /*Set to height of your image or desired div*/
 9     width:200px; /*Set to width of your image or desired div*/ 
10 }  
View Code

源码地址: http://www.smipple.net/snippet/kettultim/Polaroid%20Image%20Border%20-%20CSS3

 

12. 锚链接伪类选择器

不容错过的20段CSS代码
1 a:link { color: blue; }
2 a:visited { color: purple; } 
3 a:hover { color: red; } 
4 a:active { color: yellow; }  
View Code

源码地址: http://www.ahrefmagazine.com/web-design/30-useful-css-snippets-for-developers

 

13. 花俏地CSS3 Pull-Quotes

Pull-quotes不同于页面里的blockquote,它们通常用在文章中来引用文本。

不容错过的20段CSS代码
 1 .has-pullquote:before { 
 2     /* Reset metrics. */
 3     padding: 0;
 4     border: none;  
 5     /* Content */
 6     content: attr(data-pullquote);
 7     /* Pull out to the right, modular scale based margins. */  
 8     float: rightright;
 9     width: 320px;
10     margin: 12px -140px 24px 36px;
11     /* Baseline correction */
12     position: relative;
13     top: 5px; 
14     /* Typography (30px line-height equals 25% incremental leading) */ 
15     font-size: 23px;
16     line-height: 30px; 
17 } 
18 .pullquote-adelle:before {
19     font-family: "adelle-1", "adelle-2";
20     font-weight: 100;
21     top: 10px !important;
22 } 
23 
24 .pullquote-helvetica:before {
25     font-family: "Helvetica Neue", Arial, sans-serif;
26     font-weight: bold;
27     top: 7px !important;
28 }
29 .pullquote-facit:before { 
30     font-family: "facitweb-1", "facitweb-2", Helvetica, Arial, sans-serif;
31     font-weight: bold;
32     top: 7px !important;
33 }  
View Code

源码地址: http://miekd.com/articles/pull-quotes-with-html5-and-css/

 

14. CSS3的全屏背景效果

如果你想使用大图片作为网站背景,并希望在页面滚动时保持固定,该代码片段非常适合,不过这段代码无法在旧的浏览器上工作。

不容错过的20段CSS代码
1 html { 
2     background: url(‘images/bg.jpg‘) no-repeat center center fixed;  
3     -webkit-background-size: cover; 
4     -moz-background-size: cover;
5     -o-background-size: cover;
6     background-size: cover;
7 }  
View Code

源码: http://css-tricks.com/perfect-full-page-background-image/

 

15. 内容垂直集中

相对于内容在水平位置,内容在垂直方向是不好把控的,尤其当考虑到滚动条这些因素时。这段纯CSS代码可以很好的工作。

不容错过的20段CSS代码
1 .container {
2     min-height: 6.5em;
3     display: table-cell; 
4     vertical-align: middle;
5 }  
View Code

源码地址: http://www.w3.org/Style/Examples/007/center

 

16. 垂直滚动条

这段代码将确保你的HTML元素总是稍微高于浏览器滚动条所停留的位置。 

不容错过的20段CSS代码
1 html { height: 101% }  
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17. CSS3 Gradients模板

不容错过的20段CSS代码
1 #colorbox {
2     background: #629721;
3     background-image: -webkit-gradient(linear, left top, left bottombottom, from(#83b842), to(#629721));
4     background-image: -webkit-linear-gradient(top, #83b842, #629721); 
5     background-image: -moz-linear-gradient(top, #83b842, #629721);
6     background-image: -ms-linear-gradient(top, #83b842, #629721);
7     background-image: -o-linear-gradient(top, #83b842, #629721);
8     background-image: linear-gradient(top, #83b842, #629721);
9 }  
View Code

 

18. @Font-Face模板

使用@font-face可以把TTF/OTF/SVG/WOFF文件嵌入到网站,并生成自定义font families。

不容错过的20段CSS代码
 1 @font-face {
 2     font-family: ‘MyWebFont‘; 
 3     src: url(‘webfont.eot‘); /* IE9 Compat Modes */ 
 4     src: url(‘webfont.eot?#iefix‘) format(‘embedded-opentype‘), /* IE6-IE8 */
 5     url(‘webfont.woff‘) format(‘woff‘), /* Modern Browsers */
 6     url(‘webfont.ttf‘)  format(‘truetype‘), /* Safari, Android, iOS */ 
 7     url(‘webfont.svg#svgFontName‘) format(‘svg‘); /* Legacy iOS */
 8 }
 9 body {
10     font-family: ‘MyWebFont‘, Arial, sans-serif;
11 }  
View Code

源码地址: http://css-tricks.com/snippets/css/using-font-face/

 

19.创建缝合效果

不容错过的20段CSS代码
 1 p { 
 2     position:relative;
 3     z-index:1;  
 4     padding: 10px;
 5     margin: 10px; 
 6     font-size: 21px;
 7     line-height: 1.3em;
 8     color: #fff;
 9     background: #ff0030;
10     -webkit-box-shadow: 0 0 0 4px #ff0030, 2px 1px 4px 4px rgba(10,10,0,.5);
11     -moz-box-shadow: 0 0 0 4px #ff0030, 2px 1px 4px 4px rgba(10,10,0,.5);
12     box-shadow: 0 0 0 4px #ff0030, 2px 1px 6px 4px rgba(10,10,0,.5);
13     -webkit-border-radius: 3px;
14     -moz-border-radius: 3px;
15     border-radius: 3px;
16 }
17 p:before {
18     content: "";
19     position: absolute;
20     z-index: -1;
21     top: 3px;
22     bottombottom: 3px;
23     left :3px;
24     rightright: 3px;
25     border: 2px dashed #fff;
26 }    
27 p a {
28     color: #fff;
29     text-decoration:none;
30 }
31 p a:hover, p a:focus, p a:active { 
32     text-decoration:underline;
33 }  
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20. CSS3 斑马线效果

当用户在浏览许多行数据时,很难分清哪一个单元格是属于哪一行的。默认情况下,通过添加斑马线,用户可以给奇偶行更新不同的背景色。

不容错过的20段CSS代码
1 tbody tr:nth-child(odd) {
2     background-color: #ccc;
3 }  
View Code

 

源码地址: http://css-tricks.com/snippets/css/css3-zebra-striping-a-table/

来自: HONGKIAT.COM

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