[wp-trac] [WordPress Trac] #40967: Transparent images loose transparency in WP 4.8 image widger

[WordPress Trac]

#40967: Transparent images loose transparency in WP 4.8 image widger
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 Reporter:  jpnl          |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  4.8
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by jpnl):

 Replying to [ticket:40967 jpnl]:

 > At first this was caused by the image having a caption, but after
 removing that, the image still isn't transparent.

 Had a closer look and it's caused by CSS class .wp-caption which is also
 applied when the image does not have a caption. It does that in the image
 widget, it doesn't do it in a normal post.

 Normally, when you add an image to a post, it gets a different markup
 depending on whether it does or does not have a caption:

 Without caption
 <img class="alignnone wp-image-117868 size-medium"
 src="http://mydomain.nl/wordpress/wp-content/uploads/image.png" alt=""
 width="300" height="180" />

 With caption
 [caption id="attachment_117868" align="alignnone" width="300"]<img class
 ="wp-image-117868 size-medium" src="http://mydomain.nl/wordpress/wp-
 content/uploads/image.png" alt="" width="300" height="180" /> with
 caption[/caption]

 And that triggers this css
 .wp-caption {
     max-width: 96%;
     margin-bottom: 10px;
     padding: 8px;
     padding-top: 4px;
     border: 1px solid #ddd;
     background-color: #f3f3f3;
     text-align: center;
 }

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Ticket URL: <https://core.trac.wordpress.org/ticket/40967#comment:1>
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