$30 off During Our Annual Pro Sale. View Details »
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Your CSS is a Mess
Search
snookca
September 18, 2012
Programming
129
18k
Your CSS is a Mess
Looking at 3 simple ways to keep your CSS more organized (and more modular)
snookca
September 18, 2012
Tweet
Share
More Decks by snookca
See All by snookca
Responsive Web Applications
snookca
0
1.6k
Responsive Web Applications
snookca
4
1k
Responsive Web Applications
snookca
0
190
Responsive Web Applications with Container Queries
snookca
3
700
Responsive Web Applications
snookca
0
120
The Future is In Pieces
snookca
1
170
Becoming a Deep Generalist
snookca
1
510
Your CSS is a Mess from ShropGeek's Revolution Conf
snookca
4
200
Your CSS is a Mess from SmartWeb
snookca
0
250
Other Decks in Programming
See All in Programming
認証・認可の基本を学ぼう前編
kouyuume
0
250
Github Copilotのチャット履歴ビューワーを作りました~WPF、dotnet10もあるよ~ #clrh111
katsuyuzu
0
110
脳の「省エネモード」をデバッグする ~System 1(直感)と System 2(論理)の切り替え~
panda728
PRO
0
100
AI 駆動開発ライフサイクル(AI-DLC):ソフトウェアエンジニアリングの再構築 / AI-DLC Introduction
kanamasa
2
130
手が足りない!兼業データエンジニアに必要だったアーキテクチャと立ち回り
zinkosuke
0
750
GISエンジニアから見たLINKSデータ
nokonoko1203
0
150
生成AIを利用するだけでなく、投資できる組織へ
pospome
2
350
Developing static sites with Ruby
okuramasafumi
0
310
TestingOsaka6_Ozono
o3
0
170
Integrating WordPress and Symfony
alexandresalome
0
160
モデル駆動設計をやってみようワークショップ開催報告(Modeling Forum2025) / model driven design workshop report
haru860
0
270
Canon EOS R50 V と R5 Mark II 購入でみえてきた最近のデジイチ VR180 事情、そして VR180 静止画に活路を見出すまで
karad
0
130
Featured
See All Featured
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
128
54k
Become a Pro
speakerdeck
PRO
31
5.7k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
37
2.7k
Writing Fast Ruby
sferik
630
62k
Side Projects
sachag
455
43k
A better future with KSS
kneath
240
18k
Building Flexible Design Systems
yeseniaperezcruz
330
39k
How to Think Like a Performance Engineer
csswizardry
28
2.4k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
231
22k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
122
21k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
666
130k
Transcript
None
Jonathan Snoovvk The V’s are silent
YOUR CSS IS A MESS
None
None
1 person.
None
4 designers.
5 developers.
1 team.
1 project.
None
30 designers.
5 prototypers.
200 engineers.
multiple teams.
multiple projects.
CSS is easy.
None
None
li { }
oat: left padding: 3px 50px; margin: 0;
.block { display:block !important; } .inline { display:inline !important; }
.hide { display:none !important; } .s-none { margin:0 !important; } .s { margin:10px !important; } .ss { margin:20px !important; } .sr { margin-right:10px !important; } .p-none { padding:0 !important; } .p { padding:10px !important; } .pp { padding:20px !important; } .pt { padding-top:10px !important; } .w-auto { width:auto !important; }
.layout_1_2 #blogList .pageitem .statusBar {} .layout_1_2 #blogList .pageitem .statusBar .status,
#blogList .pageitem .statusBar .status .status1 { } .layout_1_2 #blogList .pageitem .statusBar .status { } .layout_1_2 #blogList .pageitem .statusBar .status .status1 { } .layout_1_2 #blogList .pageitem .statusBar .status .status1 a { } .layout_1_2 #blogList .pageitem .statusBar .status .status1 .sep {}
#comments .comment .meta .authorname {} #comments .comment .meta .commentnumber a
{}
#nav-header ul li { float: left; } #nav-content ul li
{ float: left; }
3 Considerations
3 Categorization Naming Convention Decouple HTML/CSS
1 Categorization
Categorization • Base • Layout • Module • State •
Theme
Base
html { background-color: #FFF; font-family: Arial, Helvetica, sans-serif; font-size: 14px;
} body { margin: 0; padding: 0; } h1, h2, h3 { margin: 1em 0; }
Layout
None
Sidebar Content Header
None
None
None
Module
Customized List Button Tabs
None
None
None
None
None
None
None
Sub-modules
Large Search Dark Small
None
None
State
Active State Default State Disabled State Default State
Theme
None
None
None
2 Naming Convention
Naming Convention Naming convention clari es intent
Use Class over ID Don’t use a grenade to dig
a hole when a shovel will do.
.btn {} .btn-large {} .btn-small {} .btn-default {} .btn-search {}
.btn {} .is-btn-active {} .is-btn-disabled {}
.theme-header {} .theme-border {} .theme-background {}
.text-plus1 {} .text-minus1 {}
3 Decoupling CSS from HTML
.nav { margin: 0; padding: 0; list-style: none; } .nav
li { float: left; } .nav li a { display: block; padding: 5px 10px; background-color: blue; }
<ul class="nav"> <li><a href="/">Home</a></li> <li><a href="/products">Products</a></li> <li><a href="/contact">Contact Us</a></li> </ul>
<ul class="nav"> <li><a href="/">Home</a></li> <li><a href="/products">Products</a> <ul> <li><a href="/products/shoes">Shoes</a></li> <li><a
href="/products/jackets">Jackets</a></li> </ul> </li> <li><a href="/contact">Contact Us</a></li> </ul>
.nav ul { margin: 0; padding:0; list-style:none; } .nav li
li { float: none; } .nav li li a { padding: 2px; background-color: red; }
.nav { margin: 0; padding: 0; list-style: none; } .nav
> li { float: left; } .nav > li > a { display: block; padding: 5px 10px; background-color: blue; }
.menu { margin: 0; padding: 0; list-style: none } .menu
> li > a { display: block; padding: 2px; background-color: red; }
Please. Use child selectors
<div class="box"> <h2>Sites I Like</h2> <ul> <li><a href="http://smashingconf.com/">Smashing!</a></li> <li><a href="http://smacss.com/">SMACSS</a></li>
</ul> </div>
.box { border: 1px solid #333; } .box h2 {
margin: 0; padding: 5px 10px; border-bottom: 1px solid #333; background-color: #CCC; } .box ul { margin: 10px; }
<div class="box"> <h2>Sites I Like</h2> <ul> <li><a href="http://smashingconf.com/">Smashing!</a></li> <li><a href="http://smacss.com/">SMACSS</a></li>
</ul> </div> <div class="box"> <h2>About Us</h2> <p>The Fancy Pants Company is all about fancy pants.</p> </div> <div class="box"> <h2>Sponsored By</h2> <div><img src="http://example.com/img.png" alt="..."></div> </div>
.box { border: 1px solid #333; } .box h2 {
margin: 0; padding: 5px 10px; border-bottom: 1px solid #333; background-color: #CCC; } .box ul, .box p, .box div { margin: 10px; }
.box { border: 1px solid #333; } .box h2 {
margin: 0; padding: 5px 10px; border-bottom: 1px solid #333; background-color: #CCC; } .box-body { margin: 10px; }
<div class="box"> <h2>Sites I Like</h2> <ul class="box-body"> <li><a href="http://smashingconf.com/">Smashing!</a></li> <li><a
href="http://smacss.com/">SMACSS</a></li> </ul> </div> <div class="box"> <h2>About Us</h2> <p class="box-body">The Fancy Pants Company is all about fancy pants.</p> </div> <div class="box"> <h2>Sponsored By</h2> <div class="box-body"><img src="..." alt="..."></div> </div>
when the HTML can’t or won’t be predictable Apply a
class
What does it mean?
Shift your thinking
Don’t code CSS for the page. Code it for the
system.
Have your CSS... Do one thing and one thing only
State-based Design
State-based Design • A layout or module style • Sub-modules
• JavaScript-driven states • Pseudo-class states • Media query states
CSS Panic http://snk.ms/15
.enemys { z-index:3; position:absolute; top:0px; left:0; width:49px; height:93px; display:block; -webkit-appearance:
button; -moz-appearance: button; background-position:0px 0px; background-repeat:no-repeat; -webkit-animation-iteration-count:infinite cursor:pointer; opacity:0.9; border:none;
.enemys { z-index:3; position:absolute; top:0px; left:0; width:49px; height:93px; display:block; -webkit-appearance:
button; -moz-appearance: button; background-position:0px 0px; background-repeat:no-repeat; -webkit-animation-iteration-count:infinite cursor:pointer; opacity:0.9; border:none;
.enemys:checked{ overflow:hidden; -webkit-animation-name: none; -webkit-pointer-events: none; pointer-events: none; opacity:0; }
.enemys:checked{ overflow:hidden; -webkit-animation-name: none; -webkit-pointer-events: none; pointer-events: none; opacity:0; }
3 Categorization Naming Convention Decouple HTML/CSS
GET SMACKED http://smacss.com/