217      阿裏雲  技術社區[雲棲]

分享30個開發人員有用的CSS代碼片段

CSS 是我們使用的功能強大和最常用 web 語言。他可以兼容新舊不同的瀏覽器，他的兼容跨度確實夠大的，從微軟的IE到火狐再到穀歌瀏覽器。在設計的時候我們總是想創建更有創意和風格的網站，無論創建怎麼樣的網站，有些CSS代碼是必須要掌握的，可以說這是核心，掌握這樣的一些CSS代碼，前端布局方麵基本上再不成問題，什麼邊框圓角，工具提示，瀏覽器hacks等等都不是問題。

在今天的文章中分享我收藏的 30 個CSS 代碼段，無論您是經驗豐富的 web 設計師還是新手，他們都是非常值得借鑒的；

Css Reset by Eric Meyer

1. html, body, div, span, applet, object, iframe,
2. h1, h2, h3, h4, h5, h6, p, blockquote, pre,
3. a, abbr, acronym, address, big, cite, code,
4. del, dfn, em, font, img, ins, kbd, q, s, samp,
5. small, strike, strong, sub, sup, tt, var,
6. b, u, i, center,
7. dl, dt, dd, ol, ul, li,
8. fieldset, form, label, legend,
9. table, caption, tbody, tfoot, thead, tr, th, td {
10. margin: 0;
11. padding: 0;
12. border: 0;
13. outline: 0;
14. font-size: 100%;
15. vertical-align: baseline;
16. background: transparent;
17. }
19. body {
20. line-height: 1;
21. }
23. ol, ul {
24. list-style: none;
25. }
27. blockquote, q {
28. quotes: none;
29. }
31. blockquote:before, blockquote:after,
32. q:before, q:after {
33. content: '';
34. content: none;
35. }
37. /* remember to define focus styles! */
38. :focus {
39. outline: 0;
40. }
42. /* remember to highlight inserts somehow! */
43. ins {
44. text-decoration: none;
45. }
47. del {
48. text-decoration: line-through;
49. }
51. /* tables still need 'cellspacing="0"' in the markup */
52. table {
53. border-collapse: collapse;
54. border-spacing: 0;
55. }

根據文件格式顯示不同的鏈接樣式

1. /* external links */
2. a[href^="https://"]{
3. padding-right: 20px;
4. background: url(external.gif) no-repeat center right;
5. }
7. /* emails */
8. a[href^="mailto:"]{
9. padding-right: 20px;
10. background: url(email.png) no-repeat center right;
11. }
13. /* pdfs */
14. a[href$=".pdf"]{
15. padding-right: 20px;
16. background: url(pdf.png) no-repeat center right;
17. }

在IE瀏覽器刪除textarea的滾動條

1. textarea{
2. overflow:auto;
3. }

瀏覽器特定的 hacks

1. /* IE 6 */
2. * html .yourclass { }
4. /* IE 7 */
5. *+html .yourclass{ }
7. /* IE 7 and modern browsers */
8. html>body .yourclass { }
10. /* Modern browsers (not IE 7) */
11. html>/**/body .yourclass { }
13. /* Opera 9.27 and below */
14. html:first-child .yourclass { }
16. /* Safari */
17. html[xmlns*=""] body:last-child .yourclass { }
19. /* Safari 3+, Chrome 1+, Opera 9+, Fx 3.5+ */
20. body:nth-of-type(1) .yourclass { }
22. /* Safari 3+, Chrome 1+, Opera 9+, Fx 3.5+ */
23. body:first-of-type .yourclass { }
25. /* Safari 3+, Chrome 1+ */
26. @media screen and (-webkit-min-device-pixel-ratio:0) {
27. .yourclass { }
28. }

Clearfix

1. .clearfix:after {
2. visibility: hidden;
3. display: block;
4. font-size: 0;
5. content: " ";
6. clear: both;
7. height: 0;
8. }
10. .clearfix { display: inline-block; }
12. /* start commented backslash hack \*/
13. * html .clearfix { height: 1%; }
14. .clearfix { display: block; }
15. /* close commented backslash hack */

固定寬度且居中

1. .wrapper {
2. width:960px;
3. margin:0 auto;
4. }

Rounded corners – border-radius

1. .round{
2. -moz-border-radius: 10px;
3. -webkit-border-radius: 10px;
4. border-radius: 10px; /* future proofing */
5. -khtml-border-radius: 10px; /* for old Konqueror browsers */
6. }

偽元素向文本的第一個字母添加特殊樣式

1. p:first-letter{
2. display:block;
3. margin:5px 0 0 5px;
4. float:left;
5. color:#000;
6. font-size:60px;
7. font-family:Georgia;
8. }

使用 @fontface

1. @font-face {
2. font-family: 'MyFontFamily';
3. src: url('myfont-webfont.eot?') format('eot'),
4. url('myfont-webfont.woff') format('woff'),
5. url('myfont-webfont.ttf') format('truetype'),
6. url('myfont-webfont.svg#svgFontName') format('svg');
7. }

跨瀏覽器的inline-block

1. li {
2. width: 200px;
3. min-height: 250px;
4. border: 1px solid #000;
5. display: -moz-inline-stack;
6. display: inline-block;
7. vertical-align: top;
8. margin: 5px;
9. zoom: 1;
10. *display: inline;
11. _height: 250px;
12. }

Fixed Footer

1. #footer {
2. position:fixed;
3. left:0px;
4. bottom:0px;
5. height:30px;
6. width:100%;
7. background:#999;
8. }
10. /* IE 6 */
11. * html #footer {
12. position:absolute;
13. top:expression((0-(footer.offsetHeight)+(document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight)+(ignoreMe = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop))+'px');
14. }

更改內容區域的大小

1. #content {
2. width: 100%;
3. margin: 0;
4. float: none;
5. }

CSS3 Media Queries （這個不常用主要用於智能設備的判斷顯示不同的媒體）

1. /* Smartphones (portrait and landscape) ----------- */
2. @media only screen
3. and (min-device-width : 320px)
4. and (max-device-width : 480px) {
5. /* Styles */
6. }
8. /* Smartphones (landscape) ----------- */
9. @media only screen
10. and (min-width : 321px) {
11. /* Styles */
12. }
14. /* Smartphones (portrait) ----------- */
15. @media only screen
16. and (max-width : 320px) {
17. /* Styles */
18. }
20. /* iPads (portrait and landscape) ----------- */
21. @media only screen
22. and (min-device-width : 768px)
23. and (max-device-width : 1024px) {
24. /* Styles */
25. }
27. /* iPads (landscape) ----------- */
28. @media only screen
29. and (min-device-width : 768px)
30. and (max-device-width : 1024px)
31. and (orientation : landscape) {
32. /* Styles */
33. }
35. /* iPads (portrait) ----------- */
36. @media only screen
37. and (min-device-width : 768px)
38. and (max-device-width : 1024px)
39. and (orientation : portrait) {
40. /* Styles */
41. }
43. /* Desktops and laptops ----------- */
44. @media only screen
45. and (min-width : 1224px) {
46. /* Styles */
47. }
49. /* Large screens ----------- */
50. @media only screen
51. and (min-width : 1824px) {
52. /* Styles */
53. }
55. /* iPhone 4 ----------- */
56. @media
57. only screen and (-webkit-min-device-pixel-ratio : 1.5),
58. only screen and (min-device-pixel-ratio : 1.5) {
59. /* Styles */
60. }

多背景圖片

1. #multiple-images {
2. background: url(image_1.png) top left no-repeat,
3. url(image_2.png) bottom left no-repeat,
4. url(image_3.png) bottom right no-repeat;
5. }

多列

1. #columns-3 {
2. text-align: justify;
3. -moz-column-count: 3;
4. -moz-column-gap: 12px;
5. -moz-column-rule: 1px solid #c4c8cc;
6. -webkit-column-count: 3;
7. -webkit-column-gap: 12px;
8. -webkit-column-rule: 1px solid #c4c8cc;
9. }

在IE的最小高度

1. .box {
2. min-height:500px;
3. height:auto !important;
4. height:500px;
5. }

突出顯示文本樣式

1. ::selection {
2. color: #000000;
3. background-color: #FF0000;
4. }
6. ::-moz-selection {
7. color: #000000;
8. background: #FF0000;
9. }

Box Shadow

1. box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
2. -moz-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
3. -webkit-box-shadow: 0px 3px 3px rgba(0,0,0,0.2);

占位符文本樣式

1. ::-webkit-input-placeholder { color: #ccc; font-style:italic }
2. :-moz-placeholder { color: #ccc; font-style:italic }

CSS3 3D文字效果

1. h1 {
2. text-shadow: 0 1px 0 #ccc,
3. 0 2px 0 #c9c9c9,
4. 0 3px 0 #bbb,
5. 0 4px 0 #b9b9b9,
6. 0 5px 0 #aaa,
7. 0 6px 1px rgba(0,0,0,.1),
8. 0 0 5px rgba(0,0,0,.1),
9. 0 1px 3px rgba(0,0,0,.3),
10. 0 3px 5px rgba(0,0,0,.2),
11. 0 5px 10px rgba(0,0,0,.25),
12. 0 10px 10px rgba(0,0,0,.2),
13. 0 20px 20px rgba(0,0,0,.15);
14. }

WebKit的邊界半徑修正

1. -webkit-background-clip: padding-box;

XBrowser的border-radius（CSS3PIE）

1. .roundbox {
2. -moz-border-radius:8px;
3. -webkit-border-radius:8px;
4. -khtml-border-radius:8px;
5. border-radius:8px;
6. behavior: url(/PIE.htc);
7. }

更好的兼容IE瀏覽器的

1. <!--[if IE]>
2. <script src="https://html5shim.googlecode.com/svn/trunk/html5.js"></script>
3. <![endif]-->

CSS3工具提示（這個很實用，看我網站的導航工具提示效果)

1. a {
2. color: #900;
3. text-decoration: none;
4. }
6. a:hover {
7. color: red;
8. position: relative;
9. }
11. a[title]:hover:after {
12. content: attr(title);
13. padding: 4px 8px;
14. color: #333;
15. position: absolute;
16. left: 0;
17. top: 100%;
18. white-space: nowrap;
19. z-index: 20px;
20. -moz-border-radius: 5px;
21. -webkit-border-radius: 5px;
22. border-radius: 5px;
23. -moz-box-shadow: 0px 0px 4px #222;
24. -webkit-box-shadow: 0px 0px 4px #222;
25. box-shadow: 0px 0px 4px #222;
26. background-image: -moz-linear-gradient(top, #eeeeee, #cccccc);
27. background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0, #eeeeee),color-stop(1, #cccccc));
28. }

CSS3背景大小

1. body {
2. background: #000 url(https://birdoflight.files.wordpress.com/2009/10/frida-kahlo-1.jpg) center center fixed no-repeat;
3. -moz-background-size: cover;
4. background-size: cover;
5. }
7. @media only all and (max-width: 1024px) and (max-height: 768px) {
8. body {
9. -moz-background-size: 1024px 768px;
10. background-size: 1024px 768px;
11. }
12. }

跨瀏覽器的CSS頁麵卷曲陰影

1. .page-curl {
2. position: relative;
3. background: #ffffff;
4. background: -moz-linear-gradient(top, #ffffff 0%, #e5e5e5 100%);
5. background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#ffffff), color-stop(100%,#e5e5e5));
6. filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#e5e5e5',GradientType=0 );
7. -webkit-box-shadow: 0px 0px 3px rgba(0, 0, 0, 0.3);
8. -moz-box-shadow: 0px 0px 3px rgba(0, 0, 0, 0.3); }
10. .page-curl:after {
11. z-index: -1;
12. position: absolute;
13. background: transparent;
14. width: 70%;
15. height: 55%;
16. content: '';
17. right: 10px;
18. bottom: 10px;
19. -webkit-transform: skew(15deg) rotate(5deg);
20. -webkit-box-shadow: 8px 12px 10px rgba(0, 0, 0, 0.3);
21. -moz-transform: skew(15deg) rotate(5deg);
22. -moz-box-shadow: 8px 12px 10px rgba(0, 0, 0, 0.3); }
24. .page-curl:before {
25. z-index: -2;
26. position: absolute;
27. background: transparent;
28. width: 70%;
29. height: 55%;
30. content: '';
31. left: 10px;
32. bottom: 10px;
33. -webkit-transform: skew(-15deg) rotate(-5deg);
34. -webkit-box-shadow: -8px 12px 10px rgba(0, 0, 0, 0.3);
35. -moz-transform: skew(-15deg) rotate(-5deg);
36. -moz-box-shadow: -8px 12px 10px rgba(0, 0, 0, 0.3); }

CSS3模煳文字

1. .blur {
2. color: transparent;
3. text-shadow: 0 0 5px rgba(0,0,0,0.5);
4. }

修複 IE6/7 margin/padding雙倍 間距錯誤

1. ul li
2. {
3. float: right;
4. margin-right: 10px;
5. *display: inline; /*Target IE7 and bellow*/
6. _display: inline; /*Target IE6 and bellow*/
7. }
8. /* This example fixes the double right margin bug */

鏈接偽類的順序

1. a:link {color: blue;}
2. a:visited {color: purple;}
3. a:hover {color: red;}
4. a:active {color: yellow;}

響應布局的HTML Meta標簽

1. <meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
2. <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
3. <meta name="HandheldFriendly" content="true">

原文鏈接：https://www.cnblogs.com/58top/archive/2012/11/26/30-useful-css-snippets-for-developers.html

最後更新：2017-04-03 22:31:03

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