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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Class 2 ~ Intermediate HTML/CSS ~ Girl Develop IT</title>
<meta name="description" content="This is the official Girl Develop It Intermediate Core HTML/CSS curriculum. It was developed through the contributions of Julie Pagano, Jen Myers, Alexis Goldstein and Izzy Johnston.
The course is meant to be taught in 4 two-hour sections. Each of the slides and practice files are customizable according to the needs of a given class or audience.">
<meta name="author" content="Girl Develop It">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<link rel="stylesheet" href="reveal/css/reveal.css">
<link rel="stylesheet" href="reveal/css/theme/gdidefault.css" id="theme">
<!-- For syntax highlighting -->
<!-- light editor<link rel="stylesheet" href="lib/css/light.css">-->
<!-- dark editor--><link rel="stylesheet" href="reveal/lib/css/dark.css">
<!-- For the slides -->
<link rel="stylesheet" href="css/slides.css">
<!-- If use the PDF print sheet so students can print slides-->
<link rel="stylesheet" href="reveal/css/print/pdf.css" type="text/css" media="print">
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<!-- Opening slide -->
<section>
<img src = "images/gdi_logo_badge.png">
<h3>Intermediate HTML and CSS</h3>
<h4>Class 2</h4>
</section>
<!-- Welcome-->
<section>
<h3>Welcome!</h3>
<div class = "left-align">
<p>Girl Develop It is here to provide affordable and accessible programs to learn software through mentorship and hands-on instruction.</p>
<p class ="green">Some "rules"</p>
<ul>
<li>We are here for you!</li>
<li>Every question is important</li>
<li>Help each other</li>
<li>Have fun</li>
</ul>
</div>
</section>
<section>
<img src="images/css3.svg"/>
</section>
<section>
<h2>CSS3 Background</h2>
<ul>
<li>Series of modules that are designed to be implemented separately
and independently from each other</li>
<li>Enhances display and interactions</li>
</ul>
</section>
<section>
<h2>New Selectors</h2>
</section>
<!-- Attribute Selectors-->
<section>
<section>
<h2>Attribute Selectors</h2>
<p>Not just classes and ids any more!</p>
<ul>
<li class = "fragment"><strong>E[foo^="bar"]</strong> <br/>an element whose "foo" attribute value begins exactly with the string "bar"</li>
<li class = "fragment"><strong>E[foo$="bar"]</strong> <br/>an element whose "foo" attribute value ends exactly with the string "bar"</li>
<li class = "fragment"><strong>E[foo*="bar"]</strong> <br/>an element whose "foo" attribute value contains the substring "bar"</li>
</ul>
</section>
<section class="attribute-selectors">
<h2>Attribute Selectors</h2>
<pre><code>
div[foo^="bar"] {
color: red;
}
div[foo$="bar"] {
background-color: red;
}
div[foo*="bar"] {
border: solid 5px red;
}
</code></pre>
<article>
<div foo="barley">foo="barley"</div>
<div foo="lumbar">foo="lumbar"</div>
<div foo="embark">foo="embark"</div>
</article>
</section>
<section class="attribute-selectors">
<h2>Attribute Selectors</h2>
<p>People don't actually use foo do they?</p>
<pre><code>
a[href^="http://"] {
color: red;
}
img[src$=".jpg"] {
border: solid 5px red;
}
</code></pre>
<article>
<a href ="http://www.girldevelopit.com" target = "_blank">http://www.girldevelopit.com</a>
<img src ="images/dinosaur.jpg" title ="dinosaur"/>
</article>
</section>
</section>
<!-- Nth child-->
<section>
<section>
<h2>:nth-child pseudo-class selector</h2>
<p class = "yellow fragment" style = "font-size: 1.2em">Say WHAT???</p>
<p class = "fragment">Ever want to style a table so that every other row was a different color?</p>
<p class = "fragment">Or have a gallery of images so that each row is 3 images wide?</p>
<p class = "fragment">:nth-child pseudo-class is "nerd" for style every 2nd, 3rd, 4th ... nth element</p>
</section>
<section>
<h2>:nth-child pseudo-class selector</h2>
<p>matches an element that has position <em>an+b</em></p>
<pre><code class="css">
element:nth-child(an + b) { style properties }
</code></pre>
<h4>some examples</h4>
<ul>
<li><strong>3</strong> - selects the third element</li>
<li><strong>4n</strong> - selects every fourth element</li>
<li><strong>even</strong> - selects even elements</li>
<li><strong>odd</strong> - selects odd elements</li>
</ul>
</section>
<section class="nth-child-table">
<h2>:nth-child</h2>
<pre><code>
tbody tr:nth-child(an + b) { backround-color: red; }
</code></pre>
<p>
<input type="text" id="nth-child-value" value="" />
<input type="button" value="change"/>
</p>
<table>
<thead>
<tr>
<th>n</th>
<th>2n+1</th><th>4n+1</th><th>4n+4</th>
<th>4n </th><th>5n-2</th><th>-n+3</th>
</tr>
</thead>
<tbody>
<tr>
<th>0 </th>
<td>1 </td><td>1 </td><td>4 </td>
<td>- </td><td>- </td><td>3 </td>
</tr>
<tr>
<th>1 </th>
<td>3 </td><td>5 </td><td>8 </td>
<td>4</td><td>3</td><td>2</td>
</tr>
<tr>
<th>2 </th>
<td>5 </td><td>9 </td><td>12</td>
<td>8</td><td>8</td><td>1</td>
</tr>
<tr>
<th>3 </th>
<td>7 </td><td>13</td><td>16</td>
<td>12</td><td>13</td><td>- </td>
</tr>
<tr>
<th>4 </th>
<td>9 </td><td>17</td><td>20</td>
<td>16</td><td>18</td><td>- </td>
</tr>
<tr>
<th>5 </th>
<td>11</td><td>21</td><td>24</td>
<td>20</td><td>23</td><td>- </td>
</tr>
</tbody>
</table>
<a href="http://css-tricks.com/how-nth-child-works/" target ="_blank">reference</a>
</section>
</section>
<!-- Pseudo form selectors-->
<section>
<section>
<h2>Some other pseudo-class Selectors</h2>
<ul>
<li class ="fragment">
<strong>E:last-child</strong><br/> an element, last child of its parent
</li>
<li class = "fragment">
<strong>E:only-child</strong><br/> an element, only child of its parent
</li>
<li class = "fragment">
<strong>E:empty</strong><br/> an element that has no children (including text nodes)
</li>
<li class = "fragment">
<strong>E:not</strong><br/> an element that does not match simple selector
</li>
</ul>
</section>
<section class="pseudo-enabled">
<h2>:enabled & :disabled</h2>
<p>You can style form elements that are disabled and enabled</p>
<pre><code>
input:enabled { background-color: green; }
input:disabled { background-color: grey; }
</code></pre>
<div class ="example">Enabled: <input type="text"/></div>
<div class ="example">Disabled: <input type="text" disabled/></div>
</section>
<section class="pseudo-checked">
<h2>:checked</h2>
<p>You can style checkboxes and radio buttons when they are selected</p>
<pre><code>
input:checked + label {
color: red;
}
</code></pre>
<p>
<input type="checkbox" id="checkbox1">
<label for="checkbox1">checkbox</label>
</p>
<p>
<input type="radio" name="radio" id="radio1" />
<label for="radio1">radio</label>
<input type="radio" name="radio" id="radio2" />
<label for="radio2">radio</label>
<input type="radio" name="radio" id="radio3" />
<label for="radio3">radio</label>
</p>
</section>
</section>
<!-- Let's Develop It -->
<section data-state="activity">
<section>
<h2>Let's Develop It!</h2>
<p>Enhance our Women in Computing web site to use HTML5 & CSS3</p>
</section>
<section>
<h2>Use a pseudo-selector</h2>
<p>We need to clear every 4th famous woman</p>
<p>Previously, this was done by manually adding a
<strong>break</strong> class to every 4th element</p>
<img src="images/screenshots/famous-break.png"/>
<p>Replace this with an <strong>:nth-child</strong> selector</p>
</section>
<section>
<h2>Example solutions</h2>
<p>Make the rows of women three long</p>
<pre><code>
#famous article:nth-child(4n) {
clear: both;
}
</code></pre>
<pre><code>
#famous div:nth-child(4n) {
clear: both;
}
</code></pre>
</section>
</section>
<!-- Vendor Prefixes-->
<section>
<section>
<h2>Vendor Prefixes</h2>
<p>HTML5 and CSS3 are still new!</p>
<p>This is great, but it means that not all browsers treat new CSS3 properties the same</p>
</section>
<section>
<h2>Vendor Prefixes</h2>
<a href="http://caniuse.com/#feat=border-radius" target = "_blank">
<img src="images/screenshots/caniuse-border-radius.png">
</a>
</section>
<section>
<h2>Vendor Prefixes</h2>
<ul>
<li>Flags it as a work-in-progress</li>
<li>When finished, the browser should support the non-prefixed
name</li>
</ul>
</section>
<section>
<h2>Vendor Prefixes</h2>
<h4>each browser has their own</h4>
<ul>
<li class="chrome">-webkit-</li>
<li class="firefox">-moz-</li>
<li class="ie">-ms-</li>
<li class="webkit">-webkit-</li>
<li class="opera">-o-</li>
</ul>
</section>
<section>
<h2>Vendor Prefixes</h2>
<pre><code>
.example{
-moz-property: value;
-ms-property: value;
-webkit-property: value;
-o-property: value;
property: value;
}
</code></pre>
<h4>order matters</h4>
<p>the non-prefixed property should always go last</p>
</section>
<section>
<h2>Vendor Prefixes</h2>
<ul>
<li>A little annoying, but totally worth it!</li>
<li>Tools available to help (e.g. Compass)</li>
</ul>
</section>
</section>
<!-- Border Radius-->
<section>
<section>
<h2>border-radius</h2>
<p>Allows you to create rounded corners</p>
</section>
<section class="border-radius">
<h2>border-radius</h2>
<pre><code>
#example1 { border-radius: <span class="border-radius-value">20</span>px; }
</code></pre>
<p>
<span>
<span class="border-radius-value">20</span>px on all corners
</span>
<input type="range" min="0" max="100" value="20">
</p>
<article>
<div class="example example1">
</div>
</article>
</section>
<section class="border-radius">
<h2>border-radius</h2>
<pre><code>
#example2 { border-radius: <span class="border-radius-value">10</span>px <span class="border-radius-value">40</span>px; }
</code></pre>
<p>
<span class="border-radius-value">10</span>px on top left & bottom right</span>
<input type="range" min="0" max="100" value="10">
</p>
<p>
<span><span class="border-radius-value">40</span>px on top right & bottom left</span>
<input type="range" min="0" max="100" value="40">
</p>
<article>
<div class="example example2">
</div>
</article>
</section>
<section class="border-radius">
<h2>border-radius</h2>
<pre><code>
#example3 { border-radius: <span class="border-radius-value">10</span>px <span class="border-radius-value">20</span>px <span class="border-radius-value">40</span>px <span class="border-radius-value">80</span>px; }
</code></pre>
<p>
<span><span class="border-radius-value">10</span>px on top left</span>
<input type="range" min="0" max="100" value="10">
</p>
<p>
<span><span class="border-radius-value">20</span>px top right</span>
<input type="range" min="0" max="100" value="20">
</p>
<p>
<span><span class="border-radius-value">40</span>px bottom right</span>
<input type="range" min="0" max="100" value="40">
</p>
<p>
<span><span class="border-radius-value">80</span>px bottom left</span>
<input type="range" min="0" max="100" value="80">
</p>
<article>
<div class="example example3">
</div>
</article>
</section>
<section>
<h2>border-radius</h2>
<pre><code>
#example4 {
border-radius: 50%;
}
</code></pre>
<p>Creates an ellipse</p>
<p>Creates a circle if height == width</p>
<article class="border-radius">
<div class="example4">
</div>
<div class="example5">
</div>
</article>
</section>
<section>
<h2>Border-Radius</h2>
<p>Remember vendor prefixes? This is where we would use one</p>
<pre><code>
#example1 {
-webkit-border-radius: 20px;
-moz-border-radius: 20px;
border-radius: 20px;
}
</code></pre>
</section>
</section>
<!-- RGBA and Opacity-->
<section>
<section>
<h2>rgba colors & opacity</h2>
<p>In CSS, we can choose colors with hexadecimal <span style ="color: #00ff00">#00ff00</span> or <span style ="color: rgb(0, 2255, 0)">rgb(0, 255, 0)</span></p>
<p>In CSS3, there are ways to control opacity of a color too!</p>
<ul>
<li><strong>rgba</strong> - control the opacity of a color</li>
<li><strong>opacity</strong> - control the opacity of an
element</li>
</ul>
</section>
<section>
<h2>rgba colors & opacity</h2>
<article class="rgba-opacity">
<article class="fragment">
<div class="example1 opacity">
background-color: rgb(255, 0, 0); opacity: 1;
</div>
<div class="example1 rgba">
background-color: rgba(255, 0, 0, 1);
</div>
</article>
<article class="fragment">
<div class="example2 opacity">
background-color: rgb(255, 0, 0); opacity: 0.8;
</div>
<div class="example2 rgba">
background-color: rgba(255, 0, 0, 0.8);
</div>
</article>
<article class="fragment">
<div class="example3 opacity">
background-color: rgb(255, 0, 0); opacity: 0.5;
</div>
<div class="example3 rgba">
background-color: rgba(255, 0, 0, 0.5);
</div>
</article>
<article class="fragment">
<div class="example4 opacity">
background-color: rgb(255, 0, 0); opacity: 0.2;
</div>
<div class="example4 rgba">
background-color: rgba(255, 0, 0, 0.2);
</div>
</article>
<article class="fragment">
<div class="example5 opacity">
background-color: rgb(255, 0, 0); opacity: 0;
</div>
<div class="example5 rgba">
background-color: rgba(255, 0, 0, 0);
</div>
</article>
</article>
</section>
<section>
<h2>rgba colors</h2>
<p>control the opacity of a color</p>
<pre><code>
.example2.rgba {
background-color: rgba(255, 0, 0, 0.8);
}
</code></pre>
<p>color property using (red, green, blue, opacity)</p>
<p>opacity is a decimal value from 0 to 1</p>
<ul>
<li>0 - not visible</li>
<li>1 - fully visible</li>
</ul>
</section>
<section>
<h2>opacity</h2>
<p>control the opacity of an element</p>
<pre><code>
.example2.opacity {
opacity: 0.8;
}
</code></pre>
<p>decimal value from 0 to 1</p>
<ul>
<li>0 - not visible</li>
<li>1 - fully visible</li>
</ul>
</section>
</section>
<!-- Box Shadow-->
<section class="box-shadow">
<section>
<h2>box-shadow</h2>
<p>adds a drop shadow to an element</p>
</section>
<section class="example1">
<h2>box-shadow</h2>
<p>box-shadow: offset-x offset-y color</p>
<pre><code>
.example1 { box-shadow: 1px 1px red; }
</code></pre>
<p>
<label>offset-x:</label>
<input type="range" min="0" max="10" value="1">
<label>offset-y:</label>
<input type="range" min="0" max="10" value="1">
</p>
<div></div>
</section>
<section class="example2">
<h2>box-shadow</h2>
<p>box-shadow: offset-x offset-y blur spread color</p>
<pre><code>
.example1 { box-shadow: 0 0 1px 1px red; }
</code></pre>
<p>
<label>inset:</label>
<input type="checkbox" >
<label>blur:</label>
<input type="range" min="0" max="10" value="1">
<label>spread:</label>
<input type="range" min="0" max="10" value="1">
</p>
<div></div>
</section>
</section>
<!--Text Shadow-->
<section>
<section>
<h2>text-shadow</h2>
<pre><code>
#example1 { text-shadow: 2px 2px 10px red; }
#example2 {
text-shadow: 1px 1px 10px red,
10px 10px 10px orange,
15px 15px 10px yellow,
20px 20px 10px green,
25px 25px 10px blue,
30px 30px 10px purple;
}
</code></pre>
<article class="text-shadow">
<div class="example1">lorem ipsum</div>
<div class="example2">lorem ipsum</div>
</article>
</section>
</section>
<!-- Gradients-->
<section>
<section>
<h2>gradients</h2>
<p>Build gradients with css</p>
</section>
<section>
<h2>linear gradients</h2>
<pre><code class="css">.linear-example1 {
background-image(linear-gradient(red, orange, yellow, green, blue, indigo, violet));
}
.linear-example2 {
background-image(linear-gradient(right, red, orange, yellow, green, blue, indigo, violet));
}
.linear-example3 {
background-image(linear-gradient(bottom right, red, orange, yellow, green, blue, indigo, violet));
}</code></pre>
<article class="gradients">
<div class="linear-example1">
</div>
<div class="linear-example2">
</div>
<div class="linear-example3">
</div>
</article>
</section>
<section>
<h2>linear gradients</h2>
<pre><code class="css">.linear-example4 {
background-image(linear-gradient(red, white));
}
.linear-example5 {
background-image(linear-gradient(right, red, white));
}
.linear-example6 {
background-image(linear-gradient(bottom right, red, white));
}</code></pre>
<article class="gradients">
<div class="linear-example4">
</div>
<div class="linear-example5">
</div>
<div class="linear-example6">
</div>
</article>
</section>
<section>
<h2>radial gradients</h2>
<pre><code>.radial-example1 {
background-image(radial-gradient(circle cover, red, orange, yellow, green, blue, indigo, violet));
}
.radial-example2 {
background-image(radial-gradient(0 0, circle, red, orange, yellow, green, blue, indigo, violet));
}
.radial-example3 {
background-image(radial-gradient(0 50%, circle, red, orange, yellow, green, blue, indigo, violet));
}</code></pre>
<article class="gradients">
<div class="radial-example1">
</div>
<div class="radial-example2">
</div>
<div class="radial-example3">
</div>
</article>
</section>
<section>
<h2>radial gradients</h2>
<pre><code>.radial-example4 {
background-image(radial-gradient(circle cover, red, white));
}
.radial-example5 {
background-image(radial-gradient(0 0, circle, red, white));
}
.radial-example6 {
background-image(radial-gradient(0 50%, circle, red, white));
}</code></pre>
<article class="gradients">
<div class="radial-example4">
</div>
<div class="radial-example5">
</div>
<div class="radial-example6">
</div>
</article>
</section>
<section>
<h2>gradients</h2>
<a href="http://www.colorzilla.com/gradient-editor/" target ="_blank">Gradient Editor</a>
</section>
</section>
<!-- Buttons-->
<section>
<section>
<h2>Example: CSS3 Buttons</h2>
<a href="http://hellohappy.org/css3-buttons/" target ="_blank">
<img src="images/screenshots/css3-buttons.png" />
</a>
</section>
</section>
<!-- Backgrounds-->
<section class="multiple-backgrounds">
<section>
<h2>backgrounds</h2>
<p>CSS3 allows multiple background images</p>
<pre><code>.example {
background-image: url('../images/html5-features.png'),
url('../images/sky.jpg');
}</code></pre>
<div>
</div>
</section>
</section>
<!-- Caution-->
<section>
<h2>Shiny CSS3 Features</h2>
<h3>Use in Moderation</h3>
</section>
<!-- Let's Develop It-->
<section data-state="activity">
<section>
<h2>Let's Develop It</h2>
<p>Enhance our Women in Computing web site to use HTML5 & CSS3</p>
</section>
<section>
<h2>Enhance the site using CSS3 properties</h2>
<p>
<ul>
<li>Tackle one small problem at a time</li>
<li>You have 10-15 minutes to get started</li>
<li>You won't be able to change everything - if we have time, you
can continue at the end of the workshop</li>
</ul>
</p>
</section>
<section>
<h2>Suggestions</h2>
<ul>
<li>Give the navigation links rounded corners</li>
<li>Turn the famous women images into circles</li>
<li>Give the section headings a text shadow</li>
<li>Give the famous women images a box shadow</li>
<li>Change the opacity of a famous woman on hover</li>
<li>Change the opacity of organization logos on hover</li>
<li>Add text shadow to the page title</li>
</ul>
</section>
</section>
<!-- Transitions-->
<section>
<section>
<h2>Transitions</h2>
<p>Allow property changes in CSS values to occur smoothly over a
specified duration</p>
<p class="fragment">Create some awesome effects without any JavaScript</p>
</section>
<section>
<h2>Transition Triggers</h2>
<ul>
<li><strong>Hover</strong></li>
<li>Mouse click</li>
<li>Focus state</li>
<li>Active state</li>
<li>Changes to the element</li>
</ul>
</section>
<section>
<h2>Transition Properties</h2>
<ul>
<li>transition-property</li>
<li>transition-duration</li>
<li>transition-delay</li>
<li>transition-timing-function</li>
</ul>
</section>
<section>
<h2>transition-property</h2>
<p>the names of CSS properties that should be transitioned</p>
<pre><code>
.example1 { transition-property: background-color; }
</code></pre>
<p>set to <strong>all</strong> to transition all CSS properties</p>
<pre><code>
.example2 { transition-property: all; }
</code></pre>
</section>
<section>
<h2>transition-property</h2>
<p>
<a href="http://leaverou.github.com/animatable/" target ="_blank">animatable examples</a>
</p>
<p>
<a href="http://www.w3.org/TR/css3-transitions/#animatable-css" target ="_blank">full list of supported properties</a>
</p>
</section>
<section class="transition-duration">
<h2>transition-duration</h2>
<p>the number of seconds or milliseconds a transition animation should take to complete</p>
<pre><code>
.example1 { transition-duration: 2s; }
</code></pre>
<p>
<span class="value">2</span>s duration
<input type="range" min="0" max="10" value="3">
</p>
<article>
<div class="example">
</div>
</article>
</section>
<section class="transition-delay">
<h2>transition-delay</h2>
<p>delay transitions from the moment a trigger happens</p>
<pre><code>.example1 { transition-delay: 0s; }
.example2 { transition-delay: 1s; }
.example3 { transition-delay: 2s; }
.example4 { transition-delay: 3s; }</code></pre>
<article>
<div class="example4">3</div>
<div class="example3">2</div>
<div class="example2">1</div>
<div class="example1">0</div>
</article>
</section>
<section class="transition-timing-function">
<h2>transition-timing-function</h2>
<p>determines how intermediate values are calculated</p>
<pre><code>.example { transition-timing-function: ease; }</code></pre>
<article>
<div class="ease">ease</div>
<div class="linear">linear</div>
<div class="ease-in">ease-in</div>
<div class="ease-out">ease-out</div>
<div class="ease-in-out">ease-in-out</div>
<div class="cubic-bezier">cubic-bezier</div>
</article>
<a href="http://cubic-bezier.com/" target ="_blank">cubic-bezier</a>
</section>
</section>
<!-- Transformations-->
<section>
<section>
<h2>Transforms</h2>
<p>Allow elements rendered by CSS to be transformed in space</p>
</section>
<section>
<h2>Transform: Scale</h2>
<p>scales the element</p>
<p>transform: scale(sx[, sy]);</p>
<article class="transform-scale">
<div class="example1">
scale(2);
</div>
<div class="example2">
scale(0.5);
</div>
<div class="example4">
scale(1, 0.5);
</div>
<div class="example3">
scale(0.5, 1);
</div>
</article>
</section>
<section>
<h2>Transform: Rotate</h2>
<p>rotates the element degrees around its origin</p>
<p>transform: rotate(angle);</p>
<article class="transform-rotate">
<div class="example1">
rotate(45deg);
</div>
<div class="example2">
rotate(-45deg);
</div>
<div class="example3">
rotate(-90deg);
</div>
<div class="example4">
rotate(180deg);
</div>
</article>
</section>
<section>
<h2>Transform: Translate</h2>
<p>move element using x and y coordinates</p>
<p>transform: translate(ax[, ay]);</p>
<article class="transform-translate">
<div class="example1">
translate(20px);
</div>
<div class="example2">
translate(0, 20px);
</div>
<div class="example3">
translate(-20px, 20px);
</div>
</article>
</section>
<section>
<h2>Transform-origin</h2>
<p>the x and y origin for transformation</p>
<p>transform-origin: x-offset y-offset;</p>
<article class="transform-origin">
<div class="example1">
transform-origin(top, left)
</div>
<div class="example2">
transform-origin(50%, 50%)
</div>
<div class="example3">
transform-origin(0, 50px)
</div>
</article>
</section>
<section>
<h2>3D transforms</h2>
<a href="http://desandro.github.com/3dtransforms/" target ="_blank">examples</a>
</section>
</section>
<!-- Animations-->
<section>
<section>
<h2>Animations</h2>
<p>animate transitions from one CSS style configuration to another</p>
</section>
<section>
<h2>Animations</h2>
<p>
<h4>Two Components</h4>
<ol>
<li>style describing the CSS animation</li>
<li>a set of keyframes that indicate the start and end states of
the animation's style</li>
</ol>
</p>
</section>
<section>
<h2>Animations</h2>
<a href="http://leaverou.github.com/animatable/" target ="_blank">animatable</a>
<pre><code>
@-webkit-keyframes background-color{
from{background-color:slategray}
to{background-color:black}
}
#background-color { -webkit-animation: background-color 1s infinite alternate;background-color:slategray}
</code></pre>
</section>
<section>
<h2>Benefits of CSS3 Animations</h2>
<h4>Over JavaScript Animations</h4>
<ul>
<li>Easy for simple animations (no JavaScript required)</li>
<li>Performance</li>
</ul>
</section>
</section>
<!-- Let's Develop It -->
<section data-state="activity">
<section>
<h2>Let's Develop It!</h2>
<p>Enhance our
Women in Computing web site to use HTML5 & CSS3</p>
</section>
<section>
<h2>Continue enhancing the site using HTML5 & CSS3</h2>
<ul>
<li>Tackle one small problem at a time</li>
<li>Ask for help when you need it</li>