<!DOCTYPE html> | |
<meta charset="UTF-8"> | |
<title>CSS Containment Test: 'contain: style' for counters (span descendants of <body>)</title> | |
<link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/"> | |
<link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-style"> | |
<link rel="match" href="reference/contain-style-counters-004-ref.html"> | |
<style> | |
body | |
{ | |
counter-reset: counter-of-span 13; | |
} | |
/* | |
This creates a new counter identified as "counter-of-span" | |
and initially sets such counter to 13 (an entirely | |
arbitrary number) | |
*/ | |
body | |
{ | |
contain: style; | |
} | |
/* | |
This will reset the counter to 0. | |
*/ | |
body span | |
{ | |
counter-increment: counter-of-span 5; | |
} | |
/* | |
This increments the counter identified as "counter-of-span" | |
of the step value of 5 (an entirely arbitrary number) each | |
and every time there is a <span> descendant within the subtree | |
of body | |
*/ | |
div | |
{ | |
font-size: 3em; | |
} | |
div::after | |
{ | |
content: counter(counter-of-span); | |
} | |
/* | |
Now, the generated content after the span is set to the | |
current value of the counter identified as "counter-of-span" | |
*/ | |
</style> | |
<body> | |
<p> <span></span> <span></span> <span></span> <span></span> | |
<!-- 4 span inside the <p>. However, since div isn't a sibling of spans, | |
it creates a new counter. | |
--> | |
<p>Test passes if there is the number 0. | |
<div></div> |