app/assets/stylesheets/sass-zero/base/preflight.scss in sass-zero-1.0.12 vs app/assets/stylesheets/sass-zero/base/preflight.scss in sass-zero-1.0.13

@@ -1,235 +1,346 @@
 @import "sass-zero/variables/colors";
 @import "sass-zero/variables/typography";
 
-/**
- * Manually forked from SUIT CSS Base: https://github.com/suitcss/base
- * A thin layer on top of normalize.css that provides a starting point more
- * suitable for web applications.
- */
+/*
+1. Prevent padding and border from affecting element width. (https://github.com/mozdevs/cssremedy/issues/4)
+2. Allow adding a border to an element by just adding a border-width. (https://github.com/tailwindcss/tailwindcss/pull/116)
+*/
 
-/**
- * Removes the default spacing and border for appropriate elements.
- */
+*,
+::before,
+::after {
+  box-sizing: border-box; /* 1 */
+  border-width: 0; /* 2 */
+  border-style: solid; /* 2 */
+  border-color: $gray-200; /* 2 */
+}
 
-blockquote,
-dl,
-dd,
+::before,
+::after {
+  --tw-content: '';
+}
+
+/*
+1. Use a consistent sensible line-height in all browsers.
+2. Prevent adjustments of font size after orientation changes in iOS.
+3. Use a more readable tab size.
+4. Use the user's configured `sans` font-family by default.
+*/
+
+html {
+  line-height: 1.5; /* 1 */
+  -webkit-text-size-adjust: 100%; /* 2 */
+  -moz-tab-size: 4; /* 3 */
+  tab-size: 4; /* 3 */
+  font-family: $font-sans; /* 4 */
+}
+
+/*
+1. Remove the margin in all browsers.
+2. Inherit line-height from `html` so users can set them as a class directly on the `html` element.
+*/
+
+body {
+  margin: 0; /* 1 */
+  line-height: inherit; /* 2 */
+}
+
+/*
+1. Add the correct height in Firefox.
+2. Correct the inheritance of border color in Firefox. (https://bugzilla.mozilla.org/show_bug.cgi?id=190655)
+3. Ensure horizontal rules are visible by default.
+*/
+
+hr {
+  height: 0; /* 1 */
+  color: inherit; /* 2 */
+  border-top-width: 1px; /* 3 */
+}
+
+/*
+Add the correct text decoration in Chrome, Edge, and Safari.
+*/
+
+abbr:where([title]) {
+  text-decoration: underline dotted;
+}
+
+/*
+Remove the default font size and weight for headings.
+*/
+
 h1,
 h2,
 h3,
 h4,
 h5,
-h6,
-hr,
-figure,
-p,
+h6 {
+  font-size: inherit;
+  font-weight: inherit;
+}
+
+/*
+Reset links to optimize for opt-in styling instead of opt-out.
+*/
+
+a {
+  color: inherit;
+  text-decoration: inherit;
+}
+
+/*
+Add the correct font weight in Edge and Safari.
+*/
+
+b,
+strong {
+  font-weight: bolder;
+}
+
+/*
+1. Use the user's configured `mono` font family by default.
+2. Correct the odd `em` font sizing in all browsers.
+*/
+
+code,
+kbd,
+samp,
 pre {
-  margin: 0;
+  font-family: $font-mono; /* 1 */
+  font-size: 1em; /* 2 */
 }
 
-button {
-  background-color: transparent;
-  background-image: none;
+/*
+Add the correct font size in all browsers.
+*/
+
+small {
+  font-size: 80%;
 }
 
-fieldset {
-  margin: 0;
-  padding: 0;
+/*
+Prevent `sub` and `sup` elements from affecting the line height in all browsers.
+*/
+
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
 }
 
-ol,
-ul {
-  list-style: none;
-  margin: 0;
-  padding: 0;
+sub {
+  bottom: -0.25em;
 }
 
-/**
- * Tailwind custom reset styles
- */
+sup {
+  top: -0.5em;
+}
 
-/**
- * 1. Use the user's configured `sans` font-family (with Tailwind's default
- *    sans-serif font stack as a fallback) as a sane default.
- * 2. Use Tailwind's default "normal" line-height so the user isn't forced
- *    to override it to ensure consistency even when using the default theme.
- */
+/*
+1. Remove text indentation from table contents in Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=999088, https://bugs.webkit.org/show_bug.cgi?id=201297)
+2. Correct table border color inheritance in all Chrome and Safari. (https://bugs.chromium.org/p/chromium/issues/detail?id=935729, https://bugs.webkit.org/show_bug.cgi?id=195016)
+3. Remove gaps between table borders by default.
+*/
 
-html {
-  font-family: $font-sans; /* 1 */
-  line-height: 1.5; /* 2 */
+table {
+  text-indent: 0; /* 1 */
+  border-color: inherit; /* 2 */
+  border-collapse: collapse; /* 3 */
 }
 
+/*
+1. Change the font styles in all browsers.
+2. Remove the margin in Firefox and Safari.
+3. Remove default padding in all browsers.
+*/
 
-/**
- * Inherit font-family and line-height from `html` so users can set them as
- * a class directly on the `html` element.
- */
+button,
+input,
+optgroup,
+select,
+textarea {
+  font-family: inherit; /* 1 */
+  font-size: 100%; /* 1 */
+  line-height: inherit; /* 1 */
+  color: inherit; /* 1 */
+  margin: 0; /* 2 */
+  padding: 0; /* 3 */
+}
 
-body {
-  font-family: inherit;
-  line-height: inherit;
+/*
+Remove the inheritance of text transform in Edge and Firefox.
+*/
+
+button,
+select {
+  text-transform: none;
 }
 
-/**
- * 1. Prevent padding and border from affecting element width.
- *
- *    We used to set this in the html element and inherit from
- *    the parent element for everything else. This caused issues
- *    in shadow-dom-enhanced elements like <details> where the content
- *    is wrapped by a div with box-sizing set to `content-box`.
- *
- *    https://github.com/mozdevs/cssremedy/issues/4
- *
- *
- * 2. Allow adding a border to an element by just adding a border-width.
- *
- *    By default, the way the browser specifies that an element should have no
- *    border is by setting it's border-style to `none` in the user-agent
- *    stylesheet.
- *
- *    In order to easily add borders to elements by just setting the `border-width`
- *    property, we change the default border-style for all elements to `solid`, and
- *    use border-width to hide them instead. This way our `border` utilities only
- *    need to set the `border-width` property instead of the entire `border`
- *    shorthand, making our border utilities much more straightforward to compose.
- *
- *    https://github.com/tailwindcss/tailwindcss/pull/116
- */
+/*
+1. Correct the inability to style clickable types in iOS and Safari.
+2. Remove default button styles.
+*/
 
-*,
-::before,
-::after {
-  box-sizing: border-box; /* 1 */
-  border-width: 0; /* 2 */
-  border-style: solid; /* 2 */
-  border-color: $gray-200; /* 2 */
+button,
+[type='button'],
+[type='reset'],
+[type='submit'] {
+  -webkit-appearance: button; /* 1 */
+  background-color: transparent; /* 2 */
+  background-image: none; /* 2 */
 }
 
 /*
- * Ensure horizontal rules are visible by default
- */
+Use the modern Firefox focus style for all focusable elements.
+*/
 
-hr {
-  border-top-width: 1px;
+:-moz-focusring {
+  outline: auto;
 }
 
-/**
- * Undo the `border-style: none` reset that Normalize applies to images so that
- * our `border-{width}` utilities have the expected effect.
- *
- * The Normalize reset is unnecessary for us since we default the border-width
- * to 0 on all elements.
- *
- * https://github.com/tailwindcss/tailwindcss/issues/362
- */
+/*
+Remove the additional `:invalid` styles in Firefox. (https://github.com/mozilla/gecko-dev/blob/2f9eacd9d3d995c937b4251a5557d95d494c9be1/layout/style/res/forms.css#L728-L737)
+*/
 
-img {
-  border-style: solid;
+:-moz-ui-invalid {
+  box-shadow: none;
 }
 
-textarea {
-  resize: vertical;
+/*
+Add the correct vertical alignment in Chrome and Firefox.
+*/
+
+progress {
+  vertical-align: baseline;
 }
 
-input::placeholder,
-textarea::placeholder {
-  opacity: 1;
-  color: $gray-400;
+/*
+Correct the cursor style of increment and decrement buttons in Safari.
+*/
+
+::-webkit-inner-spin-button,
+::-webkit-outer-spin-button {
+  height: auto;
 }
 
-button,
-[role="button"] {
-  cursor: pointer;
+/*
+1. Correct the odd appearance in Chrome and Safari.
+2. Correct the outline style in Safari.
+*/
+
+[type='search'] {
+  -webkit-appearance: textfield; /* 1 */
+  outline-offset: -2px; /* 2 */
 }
 
-/**
- * Override legacy focus reset from Normalize with modern Firefox focus styles.
- *
- * This is actually an improvement over the new defaults in Firefox in our testing,
- * as it triggers the better focus styles even for links, which still use a dotted
- * outline in Firefox by default.
- */
+/*
+Remove the inner padding in Chrome and Safari on macOS.
+*/
 
-:-moz-focusring {
-	outline: auto;
+::-webkit-search-decoration {
+  -webkit-appearance: none;
 }
 
-table {
-  border-collapse: collapse;
+/*
+1. Correct the inability to style clickable types in iOS and Safari.
+2. Change font properties to `inherit` in Safari.
+*/
+
+::-webkit-file-upload-button {
+  -webkit-appearance: button; /* 1 */
+  font: inherit; /* 2 */
 }
 
+/*
+Add the correct display in Chrome and Safari.
+*/
+
+summary {
+  display: list-item;
+}
+
+/*
+Removes the default spacing and border for appropriate elements.
+*/
+
+blockquote,
+dl,
+dd,
 h1,
 h2,
 h3,
 h4,
 h5,
-h6 {
-  font-size: inherit;
-  font-weight: inherit;
+h6,
+hr,
+figure,
+p,
+pre {
+  margin: 0;
 }
 
-/**
- * Reset links to optimize for opt-in styling instead of
- * opt-out.
- */
+fieldset {
+  margin: 0;
+  padding: 0;
+}
 
-a {
-  color: inherit;
-  text-decoration: inherit;
+legend {
+  padding: 0;
 }
 
-/**
- * Reset form element properties that are easy to forget to
- * style explicitly so you don't inadvertently introduce
- * styles that deviate from your design system. These styles
- * supplement a partial reset that is already applied by
- * normalize.css.
- */
+ol,
+ul,
+menu {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
 
-button,
-input,
-optgroup,
-select,
+/*
+Prevent resizing textareas horizontally by default.
+*/
+
 textarea {
-  padding: 0;
-  line-height: inherit;
-  color: inherit;
+  resize: vertical;
 }
 
-/**
- * Use the configured 'mono' font family for elements that
- * are expected to be rendered with a monospace font, falling
- * back to the system monospace stack if there is no configured
- * 'mono' font family.
- */
+/*
+1. Reset the default placeholder opacity in Firefox. (https://github.com/tailwindlabs/tailwindcss/issues/3300)
+2. Set the default placeholder color to the user's configured gray 400 color.
+*/
 
-pre,
-code,
-kbd,
-samp {
-  font-family: $font-mono;
+input::placeholder,
+textarea::placeholder {
+  opacity: 1; /* 1 */
+  color: $gray-400; /* 2 */
 }
 
-/**
- * 1. Make replaced elements `display: block` by default as that's
- *    the behavior you want almost all of the time. Inspired by
- *    CSS Remedy, with `svg` added as well.
- *
- *    https://github.com/mozdevs/cssremedy/issues/14
- *
- * 2. Add `vertical-align: middle` to align replaced elements more
- *    sensibly by default when overriding `display` by adding a
- *    utility like `inline`.
- *
- *    This can trigger a poorly considered linting error in some
- *    tools but is included by design.
- *
- *    https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210
- */
+/*
+Set the default cursor for buttons.
+*/
 
+button,
+[role="button"] {
+  cursor: pointer;
+}
+
+/*
+Make sure disabled buttons don't get the pointer cursor.
+*/
+:disabled {
+  cursor: default;
+}
+
+/*
+1. Make replaced elements `display: block` by default. (https://github.com/mozdevs/cssremedy/issues/14)
+2. Add `vertical-align: middle` to align replaced elements more sensibly by default. (https://github.com/jensimmons/cssremedy/issues/14#issuecomment-634934210)
+   This can trigger a poorly considered lint error in some tools but is included by design.
+*/
+
 img,
 svg,
 video,
 canvas,
 audio,
@@ -238,25 +349,22 @@
 object {
   display: block; /* 1 */
   vertical-align: middle; /* 2 */
 }
 
-/**
- * Constrain images and videos to the parent width and preserve
- * their intrinsic aspect ratio.
- *
- * https://github.com/mozdevs/cssremedy/issues/14
- */
+/*
+Constrain images and videos to the parent width and preserve their intrinsic aspect ratio. (https://github.com/mozdevs/cssremedy/issues/14)
+*/
 
 img,
 video {
   max-width: 100%;
   height: auto;
 }
 
-/**
- * Ensure the default browser behavior of the `hidden` attribute.
- */
+/*
+Ensure the default browser behavior of the `hidden` attribute.
+*/
 
 [hidden] {
   display: none;
 }