<head>
<meta charset="UTF-8"/>
<meta content="width=device-width, initial-scale=1.0" name="viewport"/>
<title>Page Title Text</title>
<style>
html { font-family:sans-serif; font-size:14pt; }
p,pre {
margin-left:4em; margin-right:auto;
margin-top:0.5em; margin-bottom:0.5em;
padding-top:0.5em; padding-bottom:0.5em;
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List of documentation with examples from w3schools.com: CSS 3 transition Property The transition property is a shorthand property for: transition-property transition-duration transition-timing-function transition-delay Note: Always specify the transition-duration property, otherwise the duration is 0s , and the transition will have no effect. CSS Animations tutorial from W3 Schools
