モダンなCSS設計パターンを考える
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This document discusses modern CSS architecture patterns. It introduces concepts like OOCSS, SMACSS, and BEM for organizing CSS in a modular, scalable and maintainable way. It provides examples of how to build reusable CSS modules and maintain them through techniques like naming conventions, categorization and decoupling CSS from HTML. The presentation emphasizes goals of building predictable, reusable, maintainable and scalable CSS architecture.
モダンなCSS設計パターンを考える
- 1. モダンなCSS設計パターンを考える Modern CSS Architecture Hiroki Tani HTML5 Conference 2013
- 3. http://frontrend.github.io/ Frontrend in Sapporo Frontrend in Fukuoka 2013年12月7日 2013年1月
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- 8. #news h2 { border-bottom: 1px solid black; padding: 1em 0.5em; font-size: 18px; font-weight: bold; }
- 9. #news h2 { border-bottom: 1px solid black; padding: 1em 0.5em; font-size: 18px; font-weight: bold; } #faq .title { border-bottom: 1px solid black; padding: 1em 0.5em; font-size: 18px; font-weight: bold; }
- 10. #news h2 { border-bottom: 1px solid black; padding: 1em 0.5em; font-size: 18px; font-weight: bold; } #faq .title { border-bottom: 1px solid black; padding: 1em 0.5em; font-size: 18px; font-weight: bold; } #service .feature .title { border: 1px solid black; padding: 0.5em; font-size: 16px; }
- 11. .column_2 #inbox .list { ... } .column_3 #inbox .list { ... } .column_3 #inbox .list .name { ... } .column_3 #inbox .list .name p { ... .column_3 #inbox .list .name.reply { .column_3 #inbox .list .name.reply a body#top .column_3 #inbox .list.left } ... } { ... } { ... }
- 12. !important
- 16. Goals of Better CSS Architecture - Predictable - Reusable - Maintainable - Scalable 予測しやすい 再利用しやすい 保守しやすい 拡張しやすい http://enja.studiomohawk.com/2013/07/06/css-architecture/
- 17. Modular CSS
- 23. OOCSS - Separate structure and skin 構造と見た目の分離 - Separate container and content コンテナとコンテンツの分離
- 24. Media object
- 25. <div class="media"> <div class="media-image"> <img src="/img/seminar/15/tani.jpg"> </div> <div class="media-body"> <p>...</p> <ul> <li><a>...</a></li> </ul> <p>...</p> </div> </div>
- 26. <div class="media"> <div class="media-image"> <img src="/img/seminar/15/tani.jpg"> </div> <div class="media-body"> <p>...</p> <ul> <li><a>...</a></li> </ul> <p>...</p> </div> </div>
- 27. <div class="media"> <div class="media-image"> <img src="/img/seminar/15/tani.jpg"> </div> <div class="media-body"> <p>...</p> <ul> <li><a>...</a></li> </ul> <p>...</p> </div> </div>
- 28. .media { /* Clearfix */ } .media-image { float: left; margin-right: 10px; } .media-image img { > display: block; } .media-body { overflow: hidden; }
- 29. <div class="media skin-a"> <div class="media-image"> <img src="/img/seminar/15/tani.jpg"> </div> <div class="media-body"> <p>...</p> <ul> <li><a>...</a></li> </ul> <p>...</p> </div> </div>
- 30. <div class="media skin-b"> <div class="media-image"> <img src="/img/seminar/15/tani.jpg"> </div> <div class="media-body"> <p>...</p> <ul> <li><a>...</a></li> </ul> <p>...</p> </div> </div>
- 31. How to build modules ?
- 32. It depends.
- 34. 3, 6
- 35. 3, 6, 9, 12, 15 ...
- 36. 3, 6, 12, 24, 48 ...
- 37. 3, 6, 9
- 38. 3, 6, 9, 12, 15 ...
- 40. .fontSize10 { font-size: 10px } .colorRed { color: red }
- 42. <p class="box radius10 fontSize18 colorRed"> 入力内容に誤りがあります。 </p>
- 43. .colorRed { color: red }
- 44. .colorRed { color: orange; } ⚠
- 45. .colorRed { color: orange; /* あとで直す */ } ⚠
- 46. .fontSize18 { font-size: 18px }
- 47. .fontSize18 { font-size: 18px } @media only screen and (max-width : 320px) { .fontSize18 { font-size: 14px } } ⚠
- 48. .radius6 { border-radius: } .radius10 { border-radius: } .radius12 { border-radius: } .radius14 { border-radius: } 6px; 10px; 12px; 14px; ⚠
- 49. How to maintain modules ?
- 51. 日本語、あります SMACSS Jonathan Snook http://smacss.com/ja
- 52. SMACSS - Categorization カテゴライズ - Naming Convention 命名規則 - Decoupling CSS from HTML HTMLとCSSの分離
- 53. SMACSS Categories - Base - Layout - State - Theme - Module
- 54. /* # Base */ body, form { margin: 0; padding: 0; } a { color: #039; } a:hover { color: #03F; }
- 55. /* # Layout */ #header { width: 960px; margin: auto; } .l-article { border: solid #CCC; border-width: 1px 0 0; } .l-grid { margin: 0; padding: 0; list-style-type: none; } .l-grid > li { display: inline-block; margin: 0 0 10px 10px; }
- 56. /* # State */ .is-hidden { display: none; } .is-error { font-weight: bold; color: red; } .is-tab-active { border-bottom-color: transparent; }
- 57. /* # Theme */ /* ## Spring Theme CSS */ .theme-header { background-image: url("/theme/spring/ header.png"); } .theme-border { 1px solid pink; }
- 60. <div class="msg"> <p>...</p> </div> .msg { display: block; border: 1px solid #cccccc; border-radius: 8px; padding: 1em; background-color: #efefef; color: #333333; }
- 62. <div class="msg msg-error"> <p>...</p> </div> .msg { ... } .msg-error { border: 1px solid #c0392b; background-color: #fe9282; }
- 64. <div class="msg msg-success"> <p>...</p> </div> .msg { ... } .msg-success { border: 1px solid #27ae60; background-color: #99f3c9; }
- 67. <div class="msg msg-error"> <h2>...</h2> <p>...</p> </div> .msg h2 { font-size: inherit; font-weight: bold; } .msg p { margin-top: 0.6em; }
- 69. .msg h2 { font-size: inherit; font-weight: bold; } .msg ul, .msg p { margin-top: 0.6em; }
- 70. .msg h2 { font-size: inherit; font-weight: bold; } .msg ul, .msg p { margin-top: 0.6em; } ⚠
- 71. <div class="msg msg-error"> <h2 class="msg-title"> ... </h2> <ul class="msg-body"> <li>...</li> <li>...</li> </ul> </div>
- 72. .msg-title { font-size: inherit; font-weight: bold; } .msg-body { margin-top: 0.6em; }
- 73. <div class="msg msg-error"> <p class="msg-title"> ... </p> <ul class="msg-body"> <li>...</li> <li>...</li> </ul> </div>
- 75. <div class="msg msg-error"> <h2 class="msg-title"> <i class="msg-title-icon ico ico-label ico-alert"></i> ... </h2> <ul class="msg-body"> <li>...</li> <li>...</li> </ul> </div>
- 76. .msg-title-icon { vertical-align: -0.3em; } .ico { display: inline-block; } .ico-alert { background-image: url(...); width: 24px; height: 24px; } .ico-label { margin-right: 0.3em; }
- 77. %ico { display: inline-block; } %ico-alert { background-image: url(...); width: 24px; height: 24px; } %ico-label { margin-right: 0.3em; } .msg-error-icon { vertical-align: -0.3em; @extend %ico; @extend %ico-alert; @extend %ico-label; }
- 79.
- 80. .msg-error { border: 1px solid #c0392b; background-color: #fe9282; }
- 82.
- 83. .msg-title { font-size: inherit; font-weight: bold; } .msg-body { margin-top: 0.6em; }
- 84. .msg { ... } .msg-error { border: 1px solid #c0392b; background-color: #fe9282; } .msg-title { font-size: inherit; font-weight: bold; }
- 86. BEM stands for ... - Block - Element - Modifier
- 87. Block
- 88. Element
- 89. Modifier
- 90. .block { ... } .block__element { ... } .block_modifier { ... } .block__element_modifier { ... }
- 91. .nav { ... } .nav__item { ... } .nav_segmented { ... } .nav__item_segmented { ... }
- 92. .nav { ... } .nav__item { ... } .nav--segmented { ... } .nav__item--segmented { ... } http://enja.studiomohawk.com/2012/03/20/about-html-semantics-and-front-end-architecture/
- 93. .msg { ... } .msg--error { border: 1px solid #c0392b; background-color: #fe9282; }
- 94. .msg__title { font-size: inherit; font-weight: bold; } .msg__body { margin-top: 0.6em; } .msg__title-icon { vertical-align: -0.3em; }
- 95. MCSS - Base - Project - cosmetic http://operatino.github.io/MCSS/en/
- 96. inuit.css - Base - Generic - Objects http://inuitcss.com/
- 101. Pattern Primer http://patternprimer.adactio.com/
- 107. StyleDocco http://jacobrask.github.io/styledocco/
- 108. // // # 見出し // // 説明文を書きます。マークダウン形式です。 // // ``` // <button type="button" class="btn btn-default"> // ``` で囲んだ部分にデモのHTMLを記述します。 // </button> // ``` .btn { display: inline-block; ... &:hover, &:focus { color: @btn-default-color; text-decoration: none; } }
- 109. $ styledocco -n "ProjectName" css/ $ styledocco -n "ProjectName" -o "mydocs" $ styledocco -n "ProjectName" --preprocessor "lessc" less/
- 114. Developer vs Designer ?
- 115. 🎬⚏ 👤 👤
- 116. 🎬⚏ 👤 👤
- 117. 🎬⚏ 👤 👤
- 118. 🎬⚏ 👤 👤
- 119. 🎬⚏ 👤 👤
- 123. Best Practice
- 124. Best Practices
- 125. “ どんなに多くの人が貢献したとしても どのコードも一人で書いたようにする All code in any code-base should look like a single person typed it, even when many people are contributing to it. ” - Idiomatic CSS https://github.com/necolas/idiomatic-css
- 127. Thanks. - twitter.com/hiloki - inkdesign.jp - html5experts.jp/hiloki/