Trying to change content width, not working yet.

Heya!

I’ve read few threads on how to get larger images on blog posts. Ended up finding two pieces of code that should’ve done the trick, but no…

This is what I added to my child theme’s functions.php:

if ( ! isset( $content_width ) )
$content_width = 960;

And this is what I added to style.css:

.entry-header,
.entry-content,
.entry-summary,
.entry-meta {
	margin: 0 auto;
	max-width: 960px;
	width: 100%;
}

And this is what I get: https://poydalla.net/tobago/

Images stay 960px wide. Whyyyy? :—-(

Thanks. ??