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Reduce paragraph block CSS specificity #13025

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merged 4 commits into from
Feb 11, 2019
Merged

Reduce paragraph block CSS specificity #13025

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fbcb42b
move dropcap focus to editor.css. Show hint of DC on focus
m-e-h Dec 19, 2018
b23a3e4
Move dropcap focus to editor.css. Reduce specificity
m-e-h Dec 19, 2018
b851085
Merge remote-tracking branch 'upstream/master' into fix/dropcap-visua…
m-e-h Feb 8, 2019
8fda064
Easing up on paragraph block specificity.
m-e-h Feb 8, 2019
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66 changes: 32 additions & 34 deletions packages/block-library/src/paragraph/style.scss
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Original file line number Diff line number Diff line change
@@ -1,46 +1,44 @@
p {
&.is-small-text {
font-size: 14px;
}
.is-small-text {
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Isn't this selector a bit too generic? What about other blocks that use a class with this same name? Shouldn't this class be either namespaced (e.g. .wp-block-paragraph__is-small-text or changed to something along the lines of .wp-block-paragraph.is-small-text?

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Probably should've been .wp-block-paragraph__is-small-text.
In the case of this PR though, does the p qualifier really make it any less generic?

I think .wp-block-paragraph.is-small-text is too specific for a core style. Especially with something like font-size which is likely one of the first things that a theme will override.

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For the record though, I would prefer .wp-block-paragraph.is-small-text over p.is-small-text. Since there are more appropriate hooks in place for themes to override the Paragraph Block font-sizes.

As for being generic, the one that sticks out to me here is .has-background. That's not even "text" specific and we're adding some hefty padding here. Is that class used in any other blocks?

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@m-e-h m-e-h Feb 11, 2019 •
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Dang! This is going to have to be fixed. The Button block also uses .has-background and is getting the padding from the Paragraph block CSS. Guess We're going to have to increase specificity for the paragraph block rather than decrease.

@kjellr How should I go about fixing? A new PR?

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Ah yes, good catch. I missed that selector. Open up a new PR and I'll take a look shortly.

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I think the has-background and has-text-color selectors are the only ones that definitely should be changed for now. I don't believe the text size and dropcap ones are used elsewhere.

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Had a few minutes, so I opened #13821 to take care of this. 👍

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Thanks @kjellr!
Totally my fault. The PR was originally for the Dropcap and sort of morphed into being about specificity. I didn't put as much thought into it as I should have.

I agree that the other selectors don't look as problematic as has-background. Even if something like is-small-text is used in other blocks, we're only setting the font size, which would be expected for such a class name and would likely be the same or overridden by the other block.

It's the padding on a generic "background" selector that made this troublesome.
It could be debated that the padding style is more appropriate in theme.css. But that's a topic for another day. 😄

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You're all amazing. Thanks for the hard work here.

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Totally my fault. The PR was originally for the Dropcap and sort of morphed into being about specificity. I didn't put as much thought into it as I should have.

No problem at all! It's all set now. Thanks again for your contribution, and thanks @ZebulanStanphill for starting the discussion that led to us catching this. 👍

font-size: 14px;
}

&.is-regular-text {
font-size: 16px;
}
.is-regular-text {
font-size: 16px;
}

&.is-large-text {
font-size: 36px;
}
.is-large-text {
font-size: 36px;
}

&.is-larger-text {
font-size: 48px;
}
.is-larger-text {
font-size: 48px;
}
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Is this the right file for these stylesheets? If I remember properly, these are theme options + editor styles? shouldn't we move these styles to the build-int editor-styles.css instead?


// Don't show the drop cap when editing the paragraph's content. It causes a
// number of bugs in combination with `contenteditable` fields. The caret
// cannot be set around it, caret position calculation fails in Chrome, and
// typing at the end of the paragraph doesn't work.
&.has-drop-cap:not(:focus)::first-letter {
float: left;
font-size: 8.4em;
line-height: 0.68;
font-weight: 100;
margin: 0.05em 0.1em 0 0;
text-transform: uppercase;
font-style: normal;
}
// Don't show the drop cap when editing the paragraph's content. It causes a
// number of bugs in combination with `contenteditable` fields. The caret
// cannot be set around it, caret position calculation fails in Chrome, and
// typing at the end of the paragraph doesn't work.
.has-drop-cap:not(:focus)::first-letter {
float: left;
font-size: 8.4em;
line-height: 0.68;
font-weight: 100;
margin: 0.05em 0.1em 0 0;
text-transform: uppercase;
font-style: normal;
}

&.has-drop-cap:not(:focus)::after {
content: "";
display: table;
clear: both;
padding-top: $block-padding;
}
.has-drop-cap:not(:focus)::after {
content: "";
display: table;
clear: both;
padding-top: $block-padding;
}

p.has-background {
.has-background {
padding: 20px 30px;
}

p.has-text-color a {
.has-text-color a {
color: inherit;
}