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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
/* Avoid adding ID selector rules in this style sheet, since they could
* inadvertently match elements in the article content. */
:root {
--grey-90-a10: rgba(12, 12, 13, 0.1);
--grey-90-a20: rgba(12, 12, 13, 0.2);
--grey-30: #d7d7db;
--light-theme-background: #fff;
--light-theme-foreground: rgb(21, 20, 26);
--dark-theme-background: rgb(28, 27, 34);
--dark-theme-foreground: rgb(251, 251, 254);
--body-padding: 64px;
--font-size: 12;
--content-width: 22em;
--line-height: 1.6em;
}
body {
--main-background: var(--light-theme-background);
--main-foreground: var(--light-theme-foreground);
--primary-color: rgb(0, 97, 224);
--toolbar-border: var(--grey-90-a20);
--toolbar-transparent-border: transparent;
--toolbar-box-shadow: var(--grey-90-a10);
--toolbar-button-background: transparent;
--toolbar-button-background-hover: rgba(207, 207, 216, 0.66);
--toolbar-button-foreground-hover: var(--icon-fill);
--toolbar-button-background-active: rgb(207, 207, 216);
--toolbar-button-foreground-active: var(--primary-color);
--toolbar-button-border: transparent;
--toolbar-button-border-hover: var(--toolbar-button-border);
--toolbar-button-border-active: var(--toolbar-button-border);
--tooltip-background: var(--toolbar-button-background-active);
--tooltip-foreground: var(--icon-fill);
--tooltip-border: transparent;
--popup-background: #fff;
--popup-border: rgba(0, 0, 0, 0.12);
--popup-line: var(--grey-30);
--popup-shadow: rgba(49, 49, 49, 0.3);
--popup-button-background: rgba(207, 207, 216, 0.33);
--popup-button-foreground: var(--main-foreground);
--popup-button-background-hover: var(--toolbar-button-background-hover);
--popup-button-foreground-hover: var(--main-foreground);
--popup-button-background-active: var(--toolbar-button-background-active);
--popup-button-border: rgba(0, 0, 0, 0.2);
--selected-background: rgba(0, 97, 224, 0.3);
--outline-focus-color: var(--primary-color);
--font-value-background: rgb(240, 240, 244);
--font-value-border: var(--grey-30);
--icon-fill: rgb(91, 91, 102);
--icon-disabled-fill: rgba(91, 91, 102, 0.4);
--text-selected-background: var(--selected-background);
--text-selected-foreground: inherit;
--link-foreground: var(--primary-color);
--link-selected-background: var(--selected-background);
--link-selected-foreground: #333;
--visited-link-foreground: #b5007f;
--custom-theme-background: var(--color-white);
--custom-theme-foreground: #14151A;
--custom-theme-unvisited-links: var(--color-blue-50);
--custom-theme-visited-links: #321C64;
--custom-theme-selection-highlight: #FFFFCC;
/* light colours */
}
body.sepia {
--main-background: rgb(244, 236, 216);
--main-foreground: rgb(91, 70, 54);
--toolbar-border: var(--main-foreground);
--icon-fill: var(--main-foreground);
--icon-disabled-fill: rgba(91, 70, 54, 0.4);
}
body.gray {
--main-background: var(--grey-30);
--main-foreground: var(--light-theme-foreground);
--toolbar-border: var(--main-foreground);
--icon-fill: var(--main-foreground);
}
body.dark,
body.contrast {
--toolbar-box-shadow: black;
--toolbar-button-background-hover: rgb(82, 82, 94);
--toolbar-button-background-active: rgb(91, 91, 102);
--popup-background: rgb(66, 65, 77);
--popup-button-border: rgba(255, 255, 255, 0.12);
--popup-line: rgba(249, 249, 250, 0.1);
--popup-button-background: rgb(43, 42, 51);
--font-value-background: rgba(249, 249, 250, 0.15);
--font-value-border: #656468;
--icon-disabled-fill: rgba(251, 251, 254, 0.4);
--link-selected-foreground: #fff;
--visited-link-foreground: #e675fd;
--selected-background: rgba(0, 221, 255, 0.3);
/* dark colours */
.moz-reader-block-img {
filter: brightness(0.8) contrast(1.2);
}
}
body.dark {
--main-background: var(--dark-theme-background);
--main-foreground: var(--dark-theme-foreground);
--primary-color: rgb(0, 221, 255);
--toolbar-border: rgba(249, 249, 250, 0.2);
--icon-fill: rgb(251, 251, 254);
}
body.contrast {
--main-background: #000000;
--main-foreground: #fff;
--primary-color: #D6B4FD;
--toolbar-border: #FFEE32;
--icon-fill: #FFEE32;
}
body.custom {
--main-background: var(--custom-theme-background);
--main-foreground: var(--custom-theme-foreground);
--link-foreground: var(--custom-theme-unvisited-links);
--visited-link-foreground: var(--custom-theme-visited-links);
--popup-button-foreground: var(--light-theme-foreground);
--popup-button-foreground-hover: var(--light-theme-foreground);
--tooltip-foreground: var(--light-theme-foreground);
--toolbar-border: var(--main-foreground);
--icon-fill: var(--main-foreground);
--icon-disabled-fill: rgba(91, 91, 102, 0.4);
}
body.hcm {
--main-background: Canvas;
--main-foreground: CanvasText;
--primary-color: SelectedItem;
--toolbar-border: CanvasText;
/* We need a true transparent but in HCM this would compute to an actual color,
so select the page's background color instead: */
--toolbar-transparent-border: Canvas;
--toolbar-box-shadow: Canvas;
--toolbar-button-background: ButtonFace;
--toolbar-button-background-hover: SelectedItem;
--toolbar-button-foreground-hover: SelectedItemText;
--toolbar-button-background-active: SelectedItemText;
--toolbar-button-foreground-active: SelectedItem;
--toolbar-button-border: ButtonText;
--toolbar-button-border-hover: SelectedItemText;
--toolbar-button-border-active: SelectedItem;
--tooltip-background: Canvas;
--tooltip-foreground: CanvasText;
--tooltip-border: CanvasText;
--popup-background: Canvas;
--popup-border: CanvasText;
--popup-line: CanvasText;
--popup-button-background: ButtonFace;
--popup-button-foreground: ButtonText;
--popup-button-background-hover: ButtonText;
--popup-button-foreground-hover: ButtonFace;
--popup-button-background-active: ButtonText;
--popup-button-border: ButtonText;
--selected-background: Canvas;
--outline-focus-color: CanvasText;
--font-value-background: Canvas;
--font-value-border: CanvasText;
--icon-fill: ButtonText;
--icon-disabled-fill: GrayText;
--text-selected-background: SelectedItem;
--text-selected-foreground: SelectedItemText;
--link-foreground: LinkText;
--link-selected-background: SelectedItem;
--link-selected-foreground: SelectedItemText;
--visited-link-foreground: VisitedText;
}
body.hcm .colors-dropdown {
/* Hide entire colors menu when HCM is on. */
display: none;
}
body {
margin: 0;
padding: var(--body-padding);
background-color: var(--main-background);
color: var(--main-foreground);
}
body.loaded {
transition: color 0.4s, background-color 0.4s;
}
*::selection {
background-color: var(--text-selected-background);
color: var(--text-selected-foreground);
}
a {
border-radius: 2px;
}
a::selection {
background-color: var(--link-selected-background);
color: var(--link-selected-foreground);
}
a:focus-visible {
outline: 2px solid var(--outline-focus-color);
outline-offset: 1px;
}
body.sans-serif {
font-family: Helvetica, Arial, sans-serif;
}
body.serif {
font-family: Georgia, "Times New Roman", serif;
}
/* Override some controls and content styles based on color scheme */
blockquote {
border-inline-start: 2px solid var(--main-foreground) !important;
}
.color-scheme-buttons {
.light-button,
.auto-button {
color: var(--light-theme-foreground);
background-color: var(--light-theme-background);
}
@media (prefers-color-scheme: dark) {
.auto-button {
color: var(--dark-theme-foreground);
background-color: var(--dark-theme-background);
}
}
.dark-button {
color: var(--dark-theme-foreground);
background-color: var(--dark-theme-background);
}
.sepia-button {
color: #5b4636;
background-color: #f4ecd8;
}
}
/* Loading/error message */
.reader-message {
margin-top: 40px;
display: none;
text-align: center;
width: 100%;
font-size: 0.9em;
}
/* Detector element to see if we're at the top of the doc or not. */
.top-anchor {
position: absolute;
top: 0;
width: 0;
height: 5px;
pointer-events: none;
}
/* Header */
.header {
text-align: start;
display: none;
}
.domain {
font-size: 0.9em;
line-height: 1.48em;
padding-bottom: 4px;
font-family: Helvetica, Arial, sans-serif;
text-decoration: underline var(--main-foreground) !important;
color: var(--link-foreground);
}
.header > h1 {
font-size: 1.6em;
line-height: 1.25em;
width: 100%;
margin: 30px 0;
padding: 0;
}
.header > .credits {
font-size: 0.9em;
line-height: 1.48em;
margin: 0 0 10px;
padding: 0;
font-style: italic;
}
.header > .meta-data {
font-size: 0.65em;
margin: 0 0 15px;
}
.reader-estimated-time {
text-align: match-parent;
}
/* Controls toolbar */
.toolbar-container {
position: sticky;
z-index: 2;
top: 32px;
height: 0; /* take up no space, so body is at the top. */
/* As a stick container, we're positioned relative to the body. Move us to
* the edge of the viewport using margins, and take the width of
* the body padding into account for calculating our width.
*/
margin-inline-start: calc(-1 * var(--body-padding));
width: max(var(--body-padding), calc((100% - var(--content-width)) / 2 + var(--body-padding)));
font-size: var(--font-size); /* Needed to ensure `em` units match, is reset for .reader-controls */
}
.toolbar {
padding-block: 16px;
border: 1px solid var(--toolbar-border);
border-radius: 6px;
box-shadow: 0 2px 8px var(--toolbar-box-shadow);
width: 32px; /* basic width, without padding/border */
/* padding should be 16px, except if there's not enough space for that, in
* which case use half the available space for padding (=25% on each side).
* The 34px here is the width + borders. We use a variable because we need
* to know this size for the margin calculation.
*/
--inline-padding: min(16px, calc(25% - 0.25 * 34px));
padding-inline: var(--inline-padding);
/* Keep a maximum of 96px distance to the body, but center once the margin
* gets too small. We need to set the start margin, however...
* To center, we'd want 50% of the container, but we'd subtract half our
* own width (16px) and half the border (1px) and the inline padding.
* When the other margin would be 96px, we want 100% - 96px - the complete
* width of the actual toolbar (34px + 2 * padding)
*/
margin-inline-start: max(calc(50% - 17px - var(--inline-padding)), calc(100% - 96px - 34px - 2 * var(--inline-padding)));
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Ubuntu, "Helvetica Neue", sans-serif;
list-style: none;
user-select: none;
/* Set focus outlines to the primary color without having to specify it
* per each element. */
accent-color: var(--primary-color);
}
@media (prefers-reduced-motion: no-preference) {
.toolbar {
transition-property: border-color, box-shadow;
transition-duration: 250ms;
}
.toolbar .toolbar-button {
transition-property: opacity;
transition-duration: 250ms;
}
.toolbar-container.scrolled > .toolbar:not(:hover, :focus-within) {
border-color: var(--toolbar-transparent-border);
box-shadow: 0 2px 8px transparent;
}
.toolbar-container.scrolled > .toolbar:not(:hover, :focus-within) > .reader-controls:not(.dropdown-open) .toolbar-button {
opacity: 0.6;
}
.toolbar-container.transition-location {
transition-duration: 250ms;
transition-property: width;
}
}
.toolbar-container.overlaps .toolbar-button {
opacity: 0.1;
}
.dropdown-open .toolbar {
border-color: var(--toolbar-transparent-border);
box-shadow: 0 2px 8px transparent;
}
.reader-controls {
/* We use `em`s above this node to get it to the right size. However,
* the UI inside the toolbar should use a fixed, smaller size. */
font-size: 11px;
}
button {
-moz-context-properties: fill;
color: var(--main-foreground);
fill: var(--icon-fill);
}
button:disabled {
/* !important to override other uses of `fill` where the specificity there is greater. */
fill: var(--icon-disabled-fill) !important;
}
.toolbar button::-moz-focus-inner {
border: 0;
}
.toolbar-button {
position: relative;
width: 32px;
height: 32px;
padding: 0;
border: 1px solid var(--toolbar-button-border);
border-radius: 4px;
margin: 4px 0;
background-color: var(--toolbar-button-background);
background-size: 16px 16px;
background-position: center;
background-repeat: no-repeat;
}
.toolbar-button:hover {
background-color: var(--toolbar-button-background-hover);
border-color: var(--toolbar-button-border-hover);
fill: var(--toolbar-button-foreground-hover);
}
.open .toolbar-button,
.toolbar-button:hover:active {
background-color: var(--toolbar-button-background-active);
color: var(--toolbar-button-foreground-active);
border-color: var(--toolbar-button-border-active);
fill: var(--toolbar-button-foreground-active);
}
.toolbar-button:focus-visible {
outline: 2px solid var(--outline-focus-color);
outline-offset: 2px;
}
.hover-label {
position: relative;
inset-inline-start: 36px;
line-height: 16px;
white-space: pre; /* make sure we don't wrap */
background-color: var(--tooltip-background);
color: var(--tooltip-foreground);
padding: 4px 8px;
border: 1px solid var(--tooltip-border);
border-radius: 2px;
visibility: hidden;
pointer-events: none;
/* Put above .dropdown .dropdown-popup, which has z-index: 1000. */
z-index: 1001;
}
/* Show the hover tooltip on non-dropdown buttons. */
.toolbar-button:not(.dropdown-toggle):hover > .hover-label,
.toolbar-button:not(.dropdown-toggle):focus-visible > .hover-label,
/* Show the hover tooltip for dropdown buttons unless its dropdown is open. */
:not(.open) > li > .dropdown-toggle:hover > .hover-label,
:not(.open) > li > .dropdown-toggle:focus-visible > .hover-label {
visibility: visible;
}
.dropdown {
text-align: center;
list-style: none;
margin: 0;
padding: 0;
position: relative;
}
.dropdown li {
margin: 0;
padding: 0;
}
/* Popup */
.dropdown .dropdown-popup {
text-align: start;
position: absolute;
inset-inline-start: 32px;
z-index: 1000;
background-color: var(--popup-background);
visibility: hidden;
border-radius: 4px;
border: 1px solid var(--popup-border);
box-shadow: 0 0 10px 0 var(--popup-shadow);
top: var(--space-xsmall);
}
.dropdown-popup h2 {
font-size: var(--font-size-root);
font-weight: var(--font-weight-bold);
color: var(--popup-button-foreground);
margin-block: var(--space-large);
margin-inline: var(--space-large) 0;
}
.open > .dropdown-popup {
visibility: visible;
}
/* Font style popup */
.radio-button {
/* We visually hide these, but we keep them around so they can be focused
* and changed by interacting with them via the label, or the keyboard, or
* assistive technology.
*/
opacity: 0;
pointer-events: none;
position: absolute;
}
.radiorow,
.buttonrow {
display: flex;
align-content: center;
justify-content: center;
}
.content-width-value,
.font-size-value,
.line-height-value {
box-sizing: border-box;
width: 36px;
height: 20px;
line-height: 18px;
display: flex;
justify-content: center;
align-content: center;
margin: auto;
border-radius: 10px;
border: 1px solid var(--font-value-border);
color: var(--popup-button-foreground);
background-color: var(--font-value-background);
}
.buttonrow > button {
border: 0;
height: 60px;
width: 90px;
background-color: transparent;
background-repeat: no-repeat;
background-position: center;
fill: var(--popup-button-foreground);
}
.buttonrow > button:enabled:hover {
background-color: var(--popup-button-background-hover);
fill: var(--popup-button-foreground-hover);
}
.buttonrow > button:enabled:hover:active {
background-color: var(--popup-button-background-active);
}
.buttonrow > button:enabled:focus-visible {
outline: 2px solid var(--outline-focus-color);
outline-offset: -2px;
}
.style-dropdown .radiorow:not(:last-child),
.style-dropdown .buttonrow:not(:last-child) {
border-bottom: 1px solid var(--popup-line);
}
.radiorow > label {
position: relative;
box-sizing: border-box;
border-radius: 2px;
border: 2px solid var(--popup-button-border);
}
.radiorow > label[checked] {
border: 2px solid var(--link-selected-foreground);
}
.radiorow > label:hover {
background-color: var(--toolbar-button-background-hover);
}
.radiorow > input[type=radio]:focus-visible + label {
outline: 2px solid var(--primary-color);
outline-offset: var(--focus-outline-offset);
}
.font-type-buttons > label {
height: 64px;
width: 105px;
/* Slightly more space between these items. */
margin: 10px;
/* Center the Sans-serif / Serif labels */
text-align: center;
background-size: 63px 39px;
background-repeat: no-repeat;
background-position: center 18px;
background-color: var(--popup-button-background);
color: var(--popup-button-foreground);
fill: currentColor;
-moz-context-properties: fill;
/* This mostly matches baselines, but because of differences in font
* baselines between serif and sans-serif, this isn't always enough. */
line-height: 1;
padding-top: 2px;
}
.font-type-buttons {
> label:first-of-type {
margin-inline-start: var(--space-large);
}
> label:last-of-type {
margin-inline-end: var(--space-large);
}
}
.font-type-buttons > label[checked] {
background-color: var(--selected-background);
}
.sans-serif-button {
font-family: Helvetica, Arial, sans-serif;
}
/* Tweak padding to match the baseline on mac */
:root[platform=macosx] .sans-serif-button {
padding-top: 3px;
}
.serif-button {
font-family: Georgia, "Times New Roman", serif;
}
body.hcm .color-scheme-buttons {
/* Disallow selecting themes when HCM is on. */
display: none;
}
.color-scheme-buttons > label {
padding: 12px;
height: 34px;
font-size: 12px;
/* Center the labels horizontally as well as vertically */
display: inline-flex;
align-items: center;
justify-content: center;
/* We want 10px between items, but there's no margin collapsing in flexbox. */
margin: 10px 5px;
border-color: var(--popup-border);
}
.color-scheme-buttons > input:first-child + label {
margin-inline-start: 10px;
}
.color-scheme-buttons > label:last-child {
margin-inline-end: 10px;
}
/* Separate colors menu popup */
#color-controls {
padding-block-end: var(--space-large);
width: 400px;
}
button-group {
display: flex;
font-size: var(--font-size-small);
}
button[is="named-deck-button"] {
background: none;
color: var(--popup-button-foreground);
border: 1px var(--popup-button-border);
border-style: solid none;
padding: var(--space-small);
flex-basis: 50%;
&[selected] {
color: var(--primary-color);
border-top: 2px solid var(--primary-color);
}
}
.custom-colors-selection {
display: flex;
flex-direction: column;
gap: var(--space-small);
padding: var(--space-large);
list-style-type: none;
font-size: var(--font-size-root);
color: var(--popup-button-foreground);
}
.colors-menu-color-scheme-buttons {
flex-wrap: wrap;
margin-block-start: var(--space-small);
}
.colors-menu-color-scheme-buttons > label {
height: 48px;
width: calc(50% - 21px);
font-size: var(--font-size-root);
color: var(--popup-button-foreground);
border: 1px solid var(--popup-button-border);
border-radius: var(--border-radius-small);
/* Center content vertically and justify left horizontally */
display: inline-flex;
align-items: center;
justify-content: start;
margin: var(--space-xsmall);
}
.colors-menu-color-scheme-buttons > label:before {
content: "";
display: inline-block;
width: 24px;
height: 24px;
border-radius: var(--border-radius-circle);
outline: 1px solid var(--popup-button-border);
margin: 0 10px 0 12px;
}
.colors-menu-color-scheme-buttons {
.auto-button:before {
background: linear-gradient(to right, var(--light-theme-background) 50%, var(--dark-theme-background) 50%);;
}
.light-button:before {
background-color: var(--light-theme-background);
}
.dark-button:before {
background-color: var(--dark-theme-background);
}
.sepia-button:before {
background-color: #f4ecd8;
}
.contrast-button:before {
background-color: #000000;
}
.gray-button:before {
background-color: var(--grey-30);
}
}
.custom-colors-reset-button {
display: block;
background: none;
border: none;
padding: 0 var(--space-large);
color: var(--primary-color);
text-decoration: underline;
font-size: var(--font-size-root);
cursor: pointer;
}
/* Toolbar icons */
.close-button {
}
.style-button {
}
.colors-button {
}
.minus-button {
background-size: 18px 18px;
}
.plus-button {
background-size: 18px 18px;
}
.content-width-minus-button {
background-size: 42px 16px;
}
.content-width-plus-button {
background-size: 44px 16px;
}
.line-height-minus-button {
background-size: 34px 14px;
}
.line-height-plus-button {
background-size: 34px 24px;
}
/* Mirror the line height buttons if the article is RTL. */
.reader-controls[articledir="rtl"] .line-height-minus-button,
.reader-controls[articledir="rtl"] .line-height-plus-button {
transform: scaleX(-1);
}
@media print {
.toolbar {
display: none !important;
}
}
/* Article content */
/* Note that any class names from the original article that we want to match on
* must be added to CLASSES_TO_PRESERVE in ReaderMode.sys.mjs, so that
* Readability.js doesn't strip them out */
.container {
margin: 0 auto;
font-size: var(--font-size);
max-width: var(--content-width);
line-height: var(--line-height);
}
pre {
font-family: inherit;
}
.moz-reader-content {
display: none;
font-size: 1em;
}
@media print {
.moz-reader-content p,
.moz-reader-content code,
.moz-reader-content pre,
.moz-reader-content blockquote,
.moz-reader-content ul,
.moz-reader-content ol,
.moz-reader-content li,
.moz-reader-content figure,
.moz-reader-content .wp-caption {
margin: 0 0 10px !important;
padding: 0 !important;
}
}
.moz-reader-content h1,
.moz-reader-content h2,
.moz-reader-content h3 {
font-weight: bold;
}
.moz-reader-content h1 {
font-size: 1.6em;
line-height: 1.25em;
}
.moz-reader-content h2 {
font-size: 1.2em;
line-height: 1.51em;
}
.moz-reader-content h3 {
font-size: 1em;
line-height: 1.66em;
}
.moz-reader-content a:link {
text-decoration: underline;
font-weight: normal;
}
.moz-reader-content a:link,
.moz-reader-content a:link:hover,
.moz-reader-content a:link:active {
color: var(--link-foreground);
}
.moz-reader-content a:visited {
color: var(--visited-link-foreground);
}
.moz-reader-content * {
max-width: 100%;
height: auto;
}
.moz-reader-content p,
.moz-reader-content p,
.moz-reader-content code,
.moz-reader-content pre,
.moz-reader-content blockquote,
.moz-reader-content ul,
.moz-reader-content ol,
.moz-reader-content li,
.moz-reader-content figure,
.moz-reader-content .wp-caption {
margin: -10px -10px calc(8px + var(--line-height) * 0.4);
padding: 10px;
border-radius: 5px;
}
.moz-reader-content li {
margin-bottom: 0;
}
.moz-reader-content li > ul,
.moz-reader-content li > ol {
margin-bottom: -10px;
}
.moz-reader-content p > img:only-child,
.moz-reader-content p > a:only-child > img:only-child,
.moz-reader-content .wp-caption img,
.moz-reader-content figure img {
display: block;
}
.moz-reader-content img[moz-reader-center] {
margin-inline: auto;
}
.moz-reader-content .caption,
.moz-reader-content .wp-caption-text
.moz-reader-content figcaption {
font-size: 0.9em;
line-height: 1.48em;
font-style: italic;
}
.moz-reader-content pre {
white-space: pre-wrap;
}
.moz-reader-content blockquote {
padding: 0;
padding-inline-start: 16px;
}
.moz-reader-content ul,
.moz-reader-content ol {
padding: 0;
}
.moz-reader-content ul {
padding-inline-start: 30px;
list-style: disc;
}
.moz-reader-content ol {
padding-inline-start: 30px;
}
table,
th,
td {
border: 1px solid currentColor;
border-collapse: collapse;
padding: 6px;
vertical-align: top;
}
table {
margin: 5px;
}
/* Visually hide (but don't display: none) screen reader elements */
.moz-reader-content .visually-hidden,
.moz-reader-content .visuallyhidden,
.moz-reader-content .sr-only {
display: inline-block;
width: 1px;
height: 1px;
margin: -1px;
overflow: hidden;
padding: 0;
border-width: 0;
}
/* Hide elements with common "hidden" class names */
.moz-reader-content .hidden,
.moz-reader-content .invisible {
display: none;
}
/* Enforce wordpress and similar emoji/smileys aren't sized to be full-width,
.moz-reader-content img.wp-smiley,
.moz-reader-content img.emoji {
display: inline-block;
border-width: 0;
/* height: auto is implied from `.moz-reader-content *` rule. */
width: 1em;
margin: 0 .07em;
padding: 0;
}
.reader-show-element {
display: initial;
}
/* Provide extra spacing for images that may be aided with accompanying element such as <figcaption> */
.moz-reader-block-img:not(:last-child) {
margin-block-end: 12px;
}
.moz-reader-wide-table {
overflow-x: auto;
display: block;
}
pre code {
background-color: var(--main-background);
border: 1px solid var(--main-foreground);
display: block;
overflow: auto;
}