firefox/layout/style/res/forms.css

/* 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, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**
  Styles for old GFX form widgets
 **/


@namespace url(http://www.w3.org/1999/xhtml); /* set default namespace to HTML */

*|*::-moz-fieldset-content {
  display: block; /* StyleAdjuster::adjust_for_fieldset_content overrides this in some cases */
  unicode-bidi: inherit;
  text-overflow: inherit;
  overflow: inherit;
  overflow-clip-box: inherit;
  resize: inherit;
  /* Need to inherit border-radius too, so when the fieldset has rounded
     borders we don't leak out the corners for hit-testing purposes. */
  border-radius: inherit;
  padding: inherit;
  box-decoration-break: inherit;
  block-size: 100%; /* Need this so percentage block-sizes of kids work right */
  /* Please keep the declarations below in sync with ::-moz-scrolled-content in
     ua.css and ::-moz-button-content below. */
  content: inherit;
  /* Multicol container */
  column-count: inherit;
  column-width: inherit;
  column-gap: inherit;
  column-rule: inherit;
  column-fill: inherit;
  /* Flex container */
  flex-direction: inherit;
  flex-wrap: inherit;
  /* -webkit-box container (aliased from -webkit versions to -moz versions) */
  -moz-box-orient: inherit;
  -moz-box-direction: inherit;
  -moz-box-pack: inherit;
  -moz-box-align: inherit;
  /* Grid container */
  grid-auto-columns: inherit;
  grid-auto-rows: inherit;
  grid-auto-flow: inherit;
  grid-column-gap: inherit;
  grid-row-gap: inherit;
  grid-template-areas: inherit;
  grid-template-columns: inherit;
  grid-template-rows: inherit;
  /* CSS Align */
  align-content: inherit;
  align-items: inherit;
  justify-content: inherit;
  justify-items: inherit;
}

/* Miscellaneous form elements */

legend {
  display: block;
  padding-inline: 2px;
}

fieldset {
  display: block;
  margin-inline: 2px;
  padding-block: 0.35em 0.625em;
  padding-inline: 0.75em;
  border: 2px groove ThreeDFace;
  min-inline-size: min-content;
}

label {
  cursor: default;
  /* If you add declarations here, consider whether the select > label and file
   * input label need them as well. */
}

/* Default inputs, text inputs, and selects */

/* Note: Values in nsNativeTheme IsWidgetStyled function
   need to match textfield background/border values here */

input {
  display: inline-block;
  appearance: auto;
  -moz-default-appearance: textfield;
  /* The sum of border and padding on block-start and block-end
     must be the same here, for buttons, and for <select> */
  padding-block: 1px;
  padding-inline: 2px;
  border: 2px inset ButtonBorder;
  background-color: Field;
  color: FieldText;
  font: -moz-field;
  text-rendering: optimizeLegibility;
  cursor: text;
  overflow-clip-box: padding-box content-box;
}

textarea {
  display: inline-block;
  appearance: auto;
  -moz-default-appearance: textarea;
  margin-block: 1px;
  border: 2px inset ButtonBorder;
  padding: 2px;
  background-color: Field;
  color: FieldText;
  font: medium -moz-fixed;
  text-rendering: optimizeLegibility;
  vertical-align: text-bottom;
  cursor: text;
  resize: both;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* A few properties that we don't want to inherit by default: */
input, textarea, select, button, ::file-selector-button {
  text-align: initial;
  text-indent: initial;
  text-shadow: initial;
  text-transform: initial;
  word-spacing: initial;
  letter-spacing: initial;
  /* Note that line-height is also reset for all these, via the font shorthand */
}

::placeholder,
::-moz-text-control-editing-root,
::-moz-text-control-preview {
  overflow: auto;
  border: 0;
  /* This is necessary to make overflow-clip-box work */
  padding: inherit;
  margin: 0;
  text-decoration: inherit;
  display: inline-block;
  ime-mode: inherit;
  resize: inherit;
  scrollbar-width: inherit;
  -moz-control-character-visibility: visible;
  overflow-clip-box: inherit;
  visibility: hidden;
}

::placeholder,
::-moz-text-control-preview {
  /*
   * Changing resize would display a broken behaviour and will assert.
   */
  resize: none;
  overflow: hidden;

  /*
   * The placeholder or preview should be ignored by pointer / selection / etc.
   * Otherwise, we might have some unexpected behavior like the resize handle
   * not being selectable.
   */
  pointer-events: none;
  user-select: none;
}

::-moz-text-control-preview {
  font-family: system-ui;
}

::placeholder {
  -webkit-text-security: none;
  color: color-mix(in srgb, currentColor 54%, transparent);
}

:not(:-moz-autofill-preview)::-moz-text-control-editing-root,
:placeholder-shown:not(:autofill)::placeholder,
:autofill::-moz-text-control-preview {
  visibility: inherit;
}

input::placeholder,
input::-moz-text-control-editing-root,
input::-moz-text-control-preview {
  scrollbar-width: none;
  resize: none;
  word-wrap: normal;
  white-space: pre;
  /* Make the line-height equal to the available height */
  line-height: -moz-block-height !important;
}

input[type=password] {
  -moz-default-appearance: password-input;
}

input[type=password]::-moz-text-control-editing-root,
input[type=password]::-moz-text-control-preview {
  /*
   * In password fields, any character should be put same direction.  Otherwise,
   * caret position at typing tells everybody whether the character is an RTL
   * or an LTR character.  Unfortunately, this makes odd rendering when bidi
   * text is unmasked.
   */
  unicode-bidi: bidi-override;
}

textarea::-moz-text-control-editing-root {
  scroll-behavior: inherit;
  overscroll-behavior: inherit;
  /* StyleAdjuster makes sure that the overflow value ends up being scrollable */
  overflow: inherit;
}

select {
  margin: 0;
  border-color: ButtonBorder;
  font: -moz-list;
  white-space: nowrap !important;
  word-wrap: normal !important;
  cursor: default;
  box-sizing: border-box;
  user-select: none;
  border-width: 2px;
  border-style: inset;
  overflow: clip;
  /* No text-decoration reaching inside, by default */
  display: inline-block;
  page-break-inside: avoid;
  overflow-clip-box: padding-box !important; /* bug 992447 */
  padding-block: 1px;

  /* Set some styles for drop down selects. These are overridden below for
   * list box selects. */
  padding-inline: 4px;
  background-color: -moz-Combobox;
  color: -moz-ComboboxText;
  vertical-align: baseline;
  appearance: auto;
  -moz-default-appearance: menulist;
}

select:-moz-select-list-box {
  overflow-inline: hidden;
  overflow-block: scroll;
  padding-inline: 0;
  background-color: Field;
  color: FieldText;
  vertical-align: text-bottom;
  appearance: auto;
  -moz-default-appearance: listbox;
}

@media (-moz-platform: macos) {
  select:-moz-select-list-box {
    scrollbar-width: thin;
  }
}

select > button {
  padding: 0;
  border: 0;
  appearance: auto;
  -moz-default-appearance: -moz-menulist-arrow-button;
  pointer-events: none;

  /* Draw the arrow in the select's color */
  color: inherit;

  /* We don't want the button to grow the line-height */
  font: inherit;
  max-block-size: 100%;

  /* Make sure to align properly with the display frame.  Note that we want the
   * baseline of the combobox to match the baseline of the label, so the
   * dropmarker is what gets the vertical-align. */
  vertical-align: top;
}

select > label {
  display: inline-block;
  overflow: clip;
  pointer-events: none;
  cursor: unset;
}

option[label]::before {
  content: attr(label);
}

select:-moz-select-list-box option,
select:-moz-select-list-box optgroup {
  line-height: normal !important;
}

option {
  display: block;
  float: none !important;
  position: static !important;
  /* This makes sure that it is a containing block for positioned descendants. */
  will-change: -moz-fixed-pos-containing-block !important;

  min-block-size: 1em;
  padding-block: 2px;
  user-select: none;
  /*
   * Note that the "UA !important" tests in
   * layout/style/test/test_animations.html depend on this rule, because
   * they need some UA !important rule to test.  If this changes, use a
   * different one there.
   */
  white-space: nowrap !important;
  word-wrap: normal !important;
}

option:read-write {
  user-select: text;
}

select > option {
  padding-inline: 4px;
}

select:-moz-select-list-box option:checked {
  background-color: -moz-cellhighlight;
  color: -moz-cellhighlighttext;
}

select:-moz-select-list-box:focus option:checked {
  background-color: SelectedItem !important;
  color: SelectedItemText !important;
}

optgroup {
  display: block;
  float: none !important;
  position: static !important;
  font-style: italic;
  font-weight: bold;
  font-size: unset;
  user-select: none;
  white-space: nowrap !important;
  word-wrap: normal !important;
}

optgroup > option {
  padding-inline-start: 20px;
  font-style: normal;
  font-weight: normal;
}

optgroup:before {
  display: block;
  content: "\200b" attr(label);
}

@media (-moz-platform: android) {
  /* These elements are handled by the prompt module. */
  select option,
  select optgroup {
    pointer-events: none;
  }
}

*|*::-moz-dropdown-list {
  content: inherit;
  z-index: 2147483647;
  background-color: inherit;
  user-select: none;
  position: static !important;
  float: none !important;

  /*
   * We can't change the padding here, because that would affect our
   * intrinsic inline-size, since we scroll.  But at the same time, we want
   * to make sure that our inline-start border+padding matches the inline-start
   * border+padding of a combobox so that our scrollbar will line up
   * with the dropmarker.  So set our inline-start border to 2px.
   */
  border: 1px outset black !important;
  border-inline-start-width: 2px !important;
}

input:disabled,
textarea:disabled,
option:disabled,
optgroup:disabled,
select:disabled {
  color: GrayText;
  background-color: -moz-DisabledField;
  cursor: unset;
}

input:disabled,
textarea:disabled {
  cursor: default;
}

option:disabled,
optgroup:disabled {
  background-color: transparent;
}

/* hidden inputs */
input[type=hidden] {
  appearance: none;
  -moz-default-appearance: none;
  display: none !important;
  padding: unset;
  border: 0;
  cursor: auto;
  -moz-user-focus: ignore;
}

/* image buttons */
input[type=image] {
  appearance: none;
  -moz-default-appearance: none;
  padding: unset;
  border: none;
  background-color: transparent;
  font-family: sans-serif;
  font-size: small;
  cursor: pointer;
}

input[type=image]:disabled {
  cursor: unset;
}

/* colored part of the color selector button */
::-moz-color-swatch {
  width: 100%;
  height: 100%;
  min-width: 3px;
  min-height: 3px;
  margin-inline: auto;
  box-sizing: border-box;
  border: 1px solid grey;
  display: block;
}

/* radio buttons */
input[type=radio] {
  appearance: auto;
  -moz-default-appearance: radio;
  margin-block: 3px 0;
  margin-inline: 5px 3px;
}

/* check boxes */
input[type=checkbox] {
  appearance: auto;
  -moz-default-appearance: checkbox;
  margin-block: 3px;
  margin-inline: 4px 3px;
}

/* Common features of radio buttons and check boxes */

input[type=radio],
input[type=checkbox] {
  box-sizing: border-box;
  cursor: default;
  /* unset some values from the general 'input' rule above: */
  padding: unset;
  border: unset;
  background-color: unset;
  color: unset;
}

input:is([type=radio], [type=checkbox]):is(:disabled, :disabled:active, :disabled:hover:active) {
  cursor: unset;
}

input[type=search] {
  box-sizing: border-box;
}

/* buttons */

/* Note: Values in nsNativeTheme IsWidgetStyled function
   need to match button background/border values here */

/* Non text-related properties for buttons: these ones are shared with
   input[type=color] */
button,
::file-selector-button,
input:is([type=color], [type=reset], [type=button], [type=submit]) {
  appearance: auto;
  -moz-default-appearance: button;
  /* The sum of border and padding on block-start and block-end
     must be the same here, for text inputs, and for <select>. */
  padding-block: 1px;
  padding-inline: 8px;
  border: 2px outset ButtonBorder;
  background-color: ButtonFace;
  cursor: default;
  box-sizing: border-box;
  user-select: none;
  overflow-clip-box: padding-box;
}

/* Text-related properties for buttons: these ones are not shared with
   input[type=color] */
button,
::file-selector-button,
input:is([type=reset], [type=button], [type=submit]) {
  color: ButtonText;
  font: -moz-button;
  white-space: pre;
  text-align: center;
  padding-inline: 4px;
}

input[type=color] {
  inline-size: 64px;
  block-size: 32px;
  padding: 4px;
}

/* https://github.com/whatwg/html/issues/9976 */
input:not([type=image i], [type=range i], [type=checkbox i], [type=radio i]) {
  overflow: clip !important;
  overflow-clip-margin: 0 !important;
}

button,
::file-selector-button {
  /* Buttons should lay out like "normal" html, mostly */
  white-space: unset;
  /* But no text-decoration reaching inside, by default */
  display: inline-block;
}

*|*::-moz-button-content {
  display: block;
  /* Please keep the declarations below in sync with ::-moz-scrolled-content in
     ua.css and ::-moz-fieldset-content above. */
  content: inherit;
  /* Multicol container */
  column-count: inherit;
  column-width: inherit;
  column-gap: inherit;
  column-rule: inherit;
  column-fill: inherit;
  /* Flex container */
  flex-direction: inherit;
  flex-wrap: inherit;
  /* -webkit-box container (aliased from -webkit versions to -moz versions) */
  -moz-box-orient: inherit;
  -moz-box-direction: inherit;
  -moz-box-pack: inherit;
  -moz-box-align: inherit;
  /* Grid container */
  grid-auto-columns: inherit;
  grid-auto-rows: inherit;
  grid-auto-flow: inherit;
  grid-column-gap: inherit;
  grid-row-gap: inherit;
  grid-template-areas: inherit;
  grid-template-columns: inherit;
  grid-template-rows: inherit;
  /* CSS Align */
  align-content: inherit;
  align-items: inherit;
  justify-content: inherit;
  justify-items: inherit;
}

::file-selector-button:hover,
button:hover,
input:is([type=reset], [type=button], [type=submit], [type=color]):hover {
  color: -moz-buttonhovertext;
  background-color: -moz-buttonhoverface;
}

::file-selector-button:active:hover,
button:active:hover,
input:is([type=reset], [type=button], [type=submit], [type=color]):active:hover {
  border-style: inset;
  color: -moz-buttonactivetext;
  background-color: -moz-buttonactiveface;
}

:is(:disabled, :disabled:active)::file-selector-button,
button:is(:disabled, :disabled:active),
input:is([type=reset], [type=button], [type=submit], [type=color]):is(:disabled, :disabled:active),
select:is(:disabled, :disabled:active) > button {
  border-style: outset;
  cursor: unset;
}

:is(:disabled, :disabled:active)::file-selector-button,
button:is(:disabled, :disabled:active),
input:is([type=reset], [type=button], [type=submit]):is(:disabled, :disabled:active),
select:is(:disabled, :disabled:active) > button {
  color: GrayText;
  background-color: -moz-ButtonDisabledFace;
}

/* file selector */
input[type=file] {
  white-space: nowrap !important;
  overflow-clip-box: padding-box;
  color: unset;

  /* Revert rules which apply on all inputs. */
  appearance: none;
  -moz-default-appearance: none;
  cursor: default;

  border: none;
  background-color: transparent;
  padding: unset;
}

input[type=file] > label {
  display: inline-block;
  min-inline-size: 12em;
  text-align: match-parent;

  cursor: unset;
  user-select: none;
  unicode-bidi: plaintext;
}

/* button part of file selector */
::file-selector-button {
  font-size: unset;
  letter-spacing: unset;
  cursor: unset;
  margin-inline-end: 5px;
}

 /*
  * Make form controls inherit 'unicode-bidi' transparently as required by
  *  their various anonymous descendants and pseudo-elements:
  *
  * <textarea> and <input type=text>:
  *  inherit into the scroll frame with pseudo ::-moz-text-control-editing-root
  *  which is a (direct or indirect) child of the text control.
  *
  * Buttons (either <button>, <input type=submit>, <input type=button>
  *          or <input type=reset>)
  *  inherit into the ':-moz-button-content' pseudo-element.
  *
  * <select>:
  *  inherit into the label and the <optgroup>'s ':before' pseudo-element,
  *  which is where the label of the <optgroup> gets displayed. The <option>s
  *  don't use anonymous boxes, so they need no special rules.
  */
::placeholder,
::-moz-text-control-editing-root,
*|*::-moz-button-content,
select > label,
optgroup::before {
  unicode-bidi: inherit;
  text-overflow: inherit;
}

progress {
  appearance: auto;
  -moz-default-appearance: progress-bar;
  display: inline-block;
  vertical-align: -0.2em;

  /* Default style in case of there is appearance: none; */
  border: 1px solid ThreeDShadow;
  border-right-color: ThreeDHighlight;
  border-bottom-color: ThreeDHighlight;
  /* #e6e6e6 is a light gray. */
  background-color: #e6e6e6;
  overflow: clip;
}

progress::-moz-progress-bar,
progress::slider-fill {
  /* Prevent styling that would change the type of frame we construct. */
  display: inline-block !important;
  float: none !important;
  position: static !important;
  overflow: visible !important;
  box-sizing: border-box !important;

  appearance: auto;
  -moz-default-appearance: progresschunk;
  height: 100%;
  width: 100%;

  /* Default style in case of there is appearance: none; */
  background-color: #0064b4; /* blue */
}

meter {
  appearance: auto;
  -moz-default-appearance: meter;
  display: inline-block;
  vertical-align: -0.2em;
  background: linear-gradient(#e6e6e6, #e6e6e6, #eeeeee 20%, #cccccc 45%, #cccccc 55%);
  overflow: clip;
}

meter::-moz-meter-bar,
meter::slider-fill {
  /* Block styles that would change the type of frame we construct. */
  display: inline-block !important;
  float: none !important;
  position: static !important;
  overflow: visible !important;

  appearance: auto;
  -moz-default-appearance: meterchunk;
  height: 100%;
  width: 100%;
}

meter:-moz-meter-optimum::-moz-meter-bar,
meter:-moz-meter-optimum::slider-fill {
  /* green. */
  background: linear-gradient(#ad7, #ad7, #cea 20%, #7a3 45%, #7a3 55%);
}
meter:-moz-meter-sub-optimum::-moz-meter-bar,
meter:-moz-meter-sub-optimum::slider-fill {
  /* orange. */
  background: linear-gradient(#fe7, #fe7, #ffc 20%, #db3 45%, #db3 55%);
}
meter:-moz-meter-sub-sub-optimum::-moz-meter-bar,
meter:-moz-meter-sub-sub-optimum::slider-fill {
  /* red. */
  background: linear-gradient(#f77, #f77, #fcc 20%, #d44 45%, #d44 55%);
}

input[type=range] {
  appearance: auto;
  -moz-default-appearance: range;
  margin: 2px;
  /* Override some rules that apply on all input types: */
  cursor: default;
  padding: unset;
  border: unset;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling the thumb without worrying about the
 * logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored.
 *
 * If content authors want to have a vertical range, they will also need to
 * set the width/height of this pseudo-element.
 *
 * TODO(emilio, bug 1663819): Losen these restrictions once these
 * pseudo-elements are better spec'd out.
 */
input[type=range]::-moz-range-track,
input[type=range]::slider-track {
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;
  block-size: 0.2em; /* same as inline-size below */
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

input[type=range][orient=vertical]::-moz-range-track,
input[type=range][orient=vertical]::slider-track {
  inline-size: 0.2em; /* same as block-size above */
  block-size: 100%;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling this pseudo-element without worrying
 * about the logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored. Additionally, if the range is horizontal, the width
 * property is ignored, and if the range range is vertical, the height property
 * is ignored.
 */
input[type=range]::-moz-range-progress,
input[type=range]::slider-fill {
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;
  /* Since one of width/height will be ignored, this just sets the "other"
     dimension. */
  width: 0.2em;
  height: 0.2em;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

/**
 * Layout handles positioning of this pseudo-element specially (so that content
 * authors can concentrate on styling the thumb without worrying about the
 * logic to position it). Specifically the 'margin', 'top' and 'left'
 * properties are ignored.
 */
input[type=range]::-moz-range-thumb,
input[type=range]::slider-thumb {
  /* Native theming is atomic for range. Set appearance on the range
   * to get rid of it. The thumb's appearance is fixed.
   */
  appearance: auto !important;
  -moz-default-appearance: range-thumb !important;
  /* Prevent styling that would change the type of frame we construct. */
  display: block !important;
  float: none !important;
  position: static !important;
  writing-mode: unset !important;
  direction: unset !important;

  width: 1em;
  height: 1em;
  border: 0.1em solid #999;
  border-radius: 0.5em;
  background-color: #F0F0F0;
  /* Prevent nsIFrame::HandlePress setting mouse capture to this element. */
  user-select: none !important;
}

input[type=number] {
  -moz-default-appearance: number-input;
}

input[type=number]::-moz-number-spin-box {
  writing-mode: horizontal-tb;
  display: flex;
  flex-direction: column;
  width: max-content;
  align-self: center;
  justify-content: center;
  /* Don't allow the spin buttons to create overflow */
  max-height: 100%;
  max-width: 100%;
  overflow: clip;
}

input[type=number]::-moz-number-spin-up,
input[type=number]::-moz-number-spin-down {
  writing-mode: horizontal-tb;
  appearance: auto;
  -moz-default-appearance: spinner-upbutton;
  display: block; /* bug 926670 */
  flex-grow: 1;
  cursor: default;
}

input[type=number]::-moz-number-spin-down {
  -moz-default-appearance: spinner-downbutton;
}

input::-moz-search-clear-button,
input::-moz-reveal {
  display: block;
  cursor: default;
  -moz-user-focus: none;
  width: 1em;
  height: 1em;
  margin-inline: 1px;
  background-image: url(resource://content-accessible/close-12.svg);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  -moz-context-properties: fill;
  fill: currentColor;
}

input::-moz-search-clear-button {
  background-size: 1em;
  padding: 0.35em;
  border-radius: 4px;
  margin-inline: 1px;
}

input::-moz-search-clear-button:hover {
  background-color: color-mix(in srgb, currentColor 17%, transparent);
}

input::-moz-search-clear-button:active {
  background-color: color-mix(in srgb, currentColor 30%, transparent);
}

@media (forced-colors) {
  input::-moz-search-clear-button {
    outline: 1px solid ButtonText;
    outline-offset: -1px;
    color: ButtonText;
    background-color: ButtonFace;
  }

  input::-moz-search-clear-button:hover {
    color: SelectedItem;
    background-color: SelectedItemText;
    outline-color: SelectedItem;
  }

  input::-moz-search-clear-button:active {
    color: SelectedItem;
    background-color: SelectedItemText;
    outline-color: ButtonText;
  }
}

input::-moz-reveal {
  /* Needed to prevent regression of Bug 502258 */
  max-height: 100%;
  max-width: 100%;
  background-image: url("chrome://global/skin/icons/eye.svg");
}

input:-moz-revealed::-moz-reveal {
  background-image: url("chrome://global/skin/icons/eye-slash.svg");
}

input:-moz-value-empty::-moz-reveal,
input:-moz-value-empty::-moz-search-clear-button {
  visibility: hidden;
}

input:is([type=date], [type=time], [type=datetime-local]) {
  font-family: -moz-fixed;
  cursor: default;
}

input:is([type=date], [type=time], [type=datetime-local]):is(:disabled, :read-only) {
  color: GrayText;
}

input:autofill, select:autofill, textarea:autofill {
  background-color: -moz-autofill-background !important;
  background-image: none !important;
  color: FieldText !important;
}