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State-based design

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.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 {}

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#nav-header ul li { float: left; } #nav-content ul li { float: left; }

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#comments .comment .meta .authorname {} #comments .comment .meta .commentnumber a {}

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CSS is easy.

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li { }

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oat: left padding: 3px 50px; margin: 0;

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.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; }

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What does it mean?

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Shift your thinking

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Don’t code CSS for a page. Code it for a system.

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Think Modularly.

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Think Modularly.

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Scalable and Modular Architecture for CSS

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What is SMACSS?

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Have your CSS... Do one thing and one thing only

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Your code should... Be clear regardless of context

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Categorization Naming Convention

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Categorization

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Base

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html { background-color: #FFF; font-family: Arial, Helvetica, sans-serif; font-size: 14px; } body { margin: 0; padding: 0; } h1, h2, h3 { margin: 1em 0; }

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Layout

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Sidebar Content Header

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Module

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Customized List Button Tabs

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Sub-modules

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Large Search Dark Small

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Theme

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State?

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State-based Design • Class-based states • Attribute-based states • Pseudo-class states • Media query states

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Class-based State

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Active State Default State Disabled State Default State

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.is-btn-active { box-shadow: inset 3px 3px 5px #333; } .is-btn-disabled { opacity: .5; pointer-events: none; }

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/* general class-based state */ .is-hidden { }

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$('.btn').on('mousedown', function(){ $(this).addClass('is-btn-pressed'); }); $('.btn').on('mouseup', function(){ $(this).removeClass('is-btn-pressed'); });

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Attribute Selector State

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.btn[data-state=default] { color: #333; } .btn[data-state=pressed] { color: #000; } .btn[data-state=disabled] { opacity: .5; pointer-events: none; } Disabled

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// bind a click handler to each button $(".btn").on("click", function(){ // change the state to pressed $(this).attr('data-state', 'pressed'); });

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Pseudo-class State

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/* Pseudo-class state */ .callout:hover { } .callout:focus { }

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:hover :focus :active :checked :indeterminate :valid :invalid :in-range :out-of-range

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Media Query State

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@media screen and (max-width: 400px) { .layout-content { float: none; } }

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/* default state for nav items */ .nav > li { float: none; } /* alternate state for nav items on larger screens */ @media screen and (min-width: 400px) { .nav > li { float: left; } }

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/* default layout */ .l-content { float: left; width: 75%; } .l-sidebar { float: right; width: 25%; } /* alternate state for layout on small screens */ @media screen and (max-width: 400px) { .l-content, .l-sidebar { float: none; width: auto; } }

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Examples

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http://icefox.net/anigma/

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http://my-html-codes.com/HTML5_tutorials/Dino_pairs2/index.html

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.input-option { display: none; } /* Pseudo-class state */ input:checked ~ .input-option { display: block; }

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Other?
Please specify: label>

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Sprite Animations

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#sprite { width:64px; height:64px; background:url(sprite.png) 0 0; }

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@-webkit-keyframes walking { 0%! ! { background-position: 448px 0; } }

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.is-walking { -webkit-animation-duration:600ms; -webkit-animation-iteration-count:infinite; -webkit-animation-timing-function:steps(7,end); -webkit-animation-name:walking; -webkit-animation-fill-mode: both; } .is-walking-faster { -webkit-animation-duration:400ms; } .is-walking-backwards { -webkit-animation-direction: reverse; }

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var el=document.getElementById('sprite')

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el.classList.toggle('is-walking');

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toggle('is-walking'); toggle('is-walking-faster'); toggle('is-walking-backwards');

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CSS Panic http://snk.ms/15

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.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;

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.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;

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.enemys:checked{ overflow:hidden; -webkit-animation-name: none; -webkit-pointer-events: none; pointer-events: none; opacity:0; }

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.enemys:checked{ overflow:hidden; -webkit-animation-name: none; -webkit-pointer-events: none; pointer-events: none; opacity:0; }

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GET SMACKED http://smacss.com/

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