mediawiki-skins-Vector/resources/skins.vector.styles/layouts/screen.less
Moh'd Khier Abualruz fb734a46f6 Interaction to Next Paint (INP) Core Web Vital Improvement
According to a Google contact, given we set viewport to 1000px
for mobile devices viewing Vector get a tap delay.

The solution was suggested in https://developer.chrome.com/blog/300ms-tap-delay-gone-away?hl=en
and Peter has confirmed helps improve performance.

A supports query is added to limit this rule to only browsers where
it applies.

Bug: T358380
Change-Id: Ifd7d8951e06e3ba0faaed354492d23e6e0bc8f69
2024-03-07 16:53:06 -08:00

167 lines
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/**
* Vector modern layout styles for screen
*
* Layout rules divide the page into sections and how VectorComponents should be arranged in the skin.
* The rules here should only define the layout, not color or typography.
*/
html {
scroll-padding-top: @scroll-padding-top;
}
body {
background-color: @background-color-secondary--modern;
color: @color-base;
}
.mw-body,
.parsoid-body {
direction: ltr;
}
.mw-body .firstHeading {
word-wrap: break-word;
margin-bottom: 0;
}
.mw-header {
// allow z-index to apply so search results overlay article
position: relative;
z-index: @z-index-header;
}
#mw-content-text {
margin-top: 16px;
}
/* Content */
.mw-indicators {
z-index: @z-index-indicators;
}
.vector-page-titlebar {
.mixin-clearfix();
box-shadow: none;
// Faux bottom border that stretches to the edges
// of the *content*, not the full width of the box.
&::after {
content: '';
display: block;
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 1px;
background-color: @border-color-base;
}
&-blank::after {
content: none;
}
}
.vector-body-before-content {
// Contain the floating .mw-indicators, but don't use clearfix because of browser inconsistencies
// when combining 'clear' and 'margin-top' (T325391)
overflow: hidden;
// Margin is only applied to indicators inside `.vector-body-before-content` since they can
// also appear next to the page title, where margin is not needed.
.mw-indicators {
margin-top: @margin-top-pre-content;
}
}
// Language button at bottom of content.
.mw-body .mw-portlet-lang {
float: right;
}
.vector-body {
position: relative;
z-index: @z-index-base;
}
#siteSub {
margin-top: @margin-top-pre-content; // T311564
}
// Styles only applied to non-empty #contentSub to avoid extra margins when both #contentSub and #contentSub2
// are rendered.
#contentSub:not( :empty ),
#contentSub2 {
font-size: unit( @font-size-small, rem );
color: @color-subtle;
width: auto;
// Visually separate #contentSub and #contentSub2 (T315639)
margin: @margin-top-pre-content 0 0;
}
// Container logic.
.mw-page-container {
.mixin-vector-page-container-sizing();
// Setting position and z-index is important as it allows overlays appended to the body tag
// to position themselves over the Vector interface. This forms another stacking context for
// elements placed inside this element
position: relative;
z-index: @z-index-base;
margin: 0 auto;
// Use non-zero padding to disable margin collapse.
// Be careful not to use overflow-y: scroll here (see T270146 and T271868)
padding-top: 0.05px;
padding-left: @padding-horizontal-page-container;
padding-right: @padding-horizontal-page-container;
background-color: @background-color-page-container;
}
@media ( min-width: @min-width-breakpoint-desktop ) {
.mw-page-container,
.vector-header-container .mw-header,
.vector-header-container .vector-sticky-header {
padding-left: @padding-horizontal-page-container-desktop;
padding-right: @padding-horizontal-page-container-desktop;
}
}
@media ( min-width: @min-width-breakpoint-desktop-wide ) {
.mw-page-container,
.vector-header-container .mw-header,
.vector-header-container .vector-sticky-header {
padding-left: @padding-horizontal-page-container-desktop-wide;
padding-right: @padding-horizontal-page-container-desktop-wide;
}
}
.vector-header-container {
width: 100%;
display: flex;
justify-content: center;
}
.vector-header-container .mw-header,
.vector-header-container .vector-sticky-header {
width: 100%;
// A min-height is set to account for projects where no icon is set.
min-height: @height-header;
background-color: @background-color-page-container;
.mixin-vector-page-container-sizing();
}
.vector-feature-limited-width-clientpref-0 .mw-page-container,
.vector-feature-limited-width-clientpref-0 .vector-sticky-header,
.vector-feature-limited-width-clientpref-0 .mw-header {
max-width: none;
}
.skin--responsive .mw-page-container {
min-width: auto;
}
// Address issues with INP: T358380
// This can be removed if Vector 2022 ever becomes responsive.
// More information:
// https://developer.chrome.com/blog/300ms-tap-delay-gone-away?hl=en
html {
touch-action: manipulation;
}