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// stylelint-disable declaration-no-important, selector-no-qualifying-type, property-no-vendor-prefix
2
 
1441 ariadna 3
 
1 efrain 4
// Reboot
5
//
6
// Normalization of HTML elements, manually forked from Normalize.css to remove
7
// styles targeting irrelevant browsers while applying new styles.
8
//
9
// Normalize is licensed MIT. https://github.com/necolas/normalize.css
10
 
11
 
12
// Document
13
//
1441 ariadna 14
// Change from `box-sizing: content-box` so that `width` is not affected by `padding` or `border`.
1 efrain 15
 
16
*,
17
*::before,
18
*::after {
1441 ariadna 19
  box-sizing: border-box;
1 efrain 20
}
21
 
22
 
1441 ariadna 23
// Root
24
//
25
// Ability to the value of the root font sizes, affecting the value of `rem`.
26
// null by default, thus nothing is generated.
27
 
28
:root {
29
  @if $font-size-root != null {
30
    @include font-size(var(--#{$prefix}root-font-size));
31
  }
32
 
33
  @if $enable-smooth-scroll {
34
    @media (prefers-reduced-motion: no-preference) {
35
      scroll-behavior: smooth;
36
    }
37
  }
1 efrain 38
}
39
 
1441 ariadna 40
 
1 efrain 41
// Body
42
//
43
// 1. Remove the margin in all browsers.
44
// 2. As a best practice, apply a default `background-color`.
1441 ariadna 45
// 3. Prevent adjustments of font size after orientation changes in iOS.
46
// 4. Change the default tap highlight to be completely transparent in iOS.
1 efrain 47
 
1441 ariadna 48
// scss-docs-start reboot-body-rules
1 efrain 49
body {
50
  margin: 0; // 1
1441 ariadna 51
  font-family: var(--#{$prefix}body-font-family);
52
  @include font-size(var(--#{$prefix}body-font-size));
53
  font-weight: var(--#{$prefix}body-font-weight);
54
  line-height: var(--#{$prefix}body-line-height);
55
  color: var(--#{$prefix}body-color);
56
  text-align: var(--#{$prefix}body-text-align);
57
  background-color: var(--#{$prefix}body-bg); // 2
58
  -webkit-text-size-adjust: 100%; // 3
59
  -webkit-tap-highlight-color: rgba($black, 0); // 4
1 efrain 60
}
1441 ariadna 61
// scss-docs-end reboot-body-rules
1 efrain 62
 
63
 
64
// Content grouping
65
//
1441 ariadna 66
// 1. Reset Firefox's gray color
1 efrain 67
 
68
hr {
1441 ariadna 69
  margin: $hr-margin-y 0;
70
  color: $hr-color; // 1
71
  border: 0;
72
  border-top: $hr-border-width solid $hr-border-color;
73
  opacity: $hr-opacity;
1 efrain 74
}
75
 
76
 
77
// Typography
78
//
1441 ariadna 79
// 1. Remove top margins from headings
80
//    By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top
81
//    margin for easier control within type scales as it avoids margin collapsing.
1 efrain 82
 
1441 ariadna 83
%heading {
84
  margin-top: 0; // 1
1 efrain 85
  margin-bottom: $headings-margin-bottom;
1441 ariadna 86
  font-family: $headings-font-family;
87
  font-style: $headings-font-style;
88
  font-weight: $headings-font-weight;
89
  line-height: $headings-line-height;
90
  color: var(--#{$prefix}heading-color);
1 efrain 91
}
92
 
1441 ariadna 93
h1 {
94
  @extend %heading;
95
  @include font-size($h1-font-size);
96
}
97
 
98
h2 {
99
  @extend %heading;
100
  @include font-size($h2-font-size);
101
}
102
 
103
h3 {
104
  @extend %heading;
105
  @include font-size($h3-font-size);
106
}
107
 
108
h4 {
109
  @extend %heading;
110
  @include font-size($h4-font-size);
111
}
112
 
113
h5 {
114
  @extend %heading;
115
  @include font-size($h5-font-size);
116
}
117
 
118
h6 {
119
  @extend %heading;
120
  @include font-size($h6-font-size);
121
}
122
 
123
 
1 efrain 124
// Reset margins on paragraphs
125
//
126
// Similarly, the top margin on `<p>`s get reset. However, we also reset the
127
// bottom margin to use `rem` units instead of `em`.
1441 ariadna 128
 
1 efrain 129
p {
130
  margin-top: 0;
131
  margin-bottom: $paragraph-margin-bottom;
132
}
133
 
1441 ariadna 134
 
1 efrain 135
// Abbreviations
136
//
1441 ariadna 137
// 1. Add the correct text decoration in Chrome, Edge, Opera, and Safari.
138
// 2. Add explicit cursor to indicate changed behavior.
139
// 3. Prevent the text-decoration to be skipped.
1 efrain 140
 
1441 ariadna 141
abbr[title] {
142
  text-decoration: underline dotted; // 1
143
  cursor: help; // 2
144
  text-decoration-skip-ink: none; // 3
1 efrain 145
}
146
 
1441 ariadna 147
 
148
// Address
149
 
1 efrain 150
address {
151
  margin-bottom: 1rem;
152
  font-style: normal;
153
  line-height: inherit;
154
}
155
 
1441 ariadna 156
 
157
// Lists
158
 
1 efrain 159
ol,
1441 ariadna 160
ul {
161
  padding-left: 2rem;
162
}
163
 
164
ol,
1 efrain 165
ul,
166
dl {
167
  margin-top: 0;
168
  margin-bottom: 1rem;
169
}
170
 
171
ol ol,
172
ul ul,
173
ol ul,
174
ul ol {
175
  margin-bottom: 0;
176
}
177
 
178
dt {
179
  font-weight: $dt-font-weight;
180
}
181
 
1441 ariadna 182
// 1. Undo browser default
183
 
1 efrain 184
dd {
185
  margin-bottom: .5rem;
1441 ariadna 186
  margin-left: 0; // 1
1 efrain 187
}
188
 
1441 ariadna 189
 
190
// Blockquote
191
 
1 efrain 192
blockquote {
193
  margin: 0 0 1rem;
194
}
195
 
1441 ariadna 196
 
197
// Strong
198
//
199
// Add the correct font weight in Chrome, Edge, and Safari
200
 
1 efrain 201
b,
202
strong {
1441 ariadna 203
  font-weight: $font-weight-bolder;
1 efrain 204
}
205
 
1441 ariadna 206
 
207
// Small
208
//
209
// Add the correct font size in all browsers
210
 
1 efrain 211
small {
1441 ariadna 212
  @include font-size($small-font-size);
1 efrain 213
}
214
 
1441 ariadna 215
 
216
// Mark
217
 
218
mark {
219
  padding: $mark-padding;
220
  color: var(--#{$prefix}highlight-color);
221
  background-color: var(--#{$prefix}highlight-bg);
222
}
223
 
224
 
225
// Sub and Sup
1 efrain 226
//
227
// Prevent `sub` and `sup` elements from affecting the line height in
228
// all browsers.
229
 
230
sub,
231
sup {
232
  position: relative;
1441 ariadna 233
  @include font-size($sub-sup-font-size);
1 efrain 234
  line-height: 0;
235
  vertical-align: baseline;
236
}
237
 
238
sub { bottom: -.25em; }
239
sup { top: -.5em; }
240
 
241
 
242
// Links
243
 
244
a {
1441 ariadna 245
  color: rgba(var(--#{$prefix}link-color-rgb), var(--#{$prefix}link-opacity, 1));
1 efrain 246
  text-decoration: $link-decoration;
247
 
1441 ariadna 248
  &:hover {
249
    --#{$prefix}link-color-rgb: var(--#{$prefix}link-hover-color-rgb);
1 efrain 250
    text-decoration: $link-hover-decoration;
251
  }
252
}
253
 
254
// And undo these styles for placeholder links/named anchors (without href).
255
// It would be more straightforward to just use a[href] in previous block, but that
256
// causes specificity issues in many other styles that are too complex to fix.
257
// See https://github.com/twbs/bootstrap/issues/19402
258
 
259
a:not([href]):not([class]) {
1441 ariadna 260
  &,
261
  &:hover {
1 efrain 262
    color: inherit;
263
    text-decoration: none;
264
  }
265
}
266
 
267
 
268
// Code
269
 
270
pre,
271
code,
272
kbd,
273
samp {
1441 ariadna 274
  font-family: $font-family-code;
1 efrain 275
  @include font-size(1em); // Correct the odd `em` font sizing in all browsers.
276
}
277
 
1441 ariadna 278
// 1. Remove browser default top margin
279
// 2. Reset browser default of `1em` to use `rem`s
280
// 3. Don't allow content to break outside
281
 
1 efrain 282
pre {
1441 ariadna 283
  display: block;
284
  margin-top: 0; // 1
285
  margin-bottom: 1rem; // 2
286
  overflow: auto; // 3
287
  @include font-size($code-font-size);
288
  color: $pre-color;
289
 
290
  // Account for some code outputs that place code tags in pre tags
291
  code {
292
    @include font-size(inherit);
293
    color: inherit;
294
    word-break: normal;
295
  }
1 efrain 296
}
297
 
1441 ariadna 298
code {
299
  @include font-size($code-font-size);
300
  color: var(--#{$prefix}code-color);
301
  word-wrap: break-word;
1 efrain 302
 
1441 ariadna 303
  // Streamline the style when inside anchors to avoid broken underline and more
304
  a > & {
305
    color: inherit;
306
  }
307
}
308
 
309
kbd {
310
  padding: $kbd-padding-y $kbd-padding-x;
311
  @include font-size($kbd-font-size);
312
  color: $kbd-color;
313
  background-color: $kbd-bg;
314
  @include border-radius($border-radius-sm);
315
 
316
  kbd {
317
    padding: 0;
318
    @include font-size(1em);
319
    font-weight: $nested-kbd-font-weight;
320
  }
321
}
322
 
323
 
1 efrain 324
// Figures
325
//
1441 ariadna 326
// Apply a consistent margin strategy (matches our type styles).
1 efrain 327
 
328
figure {
329
  margin: 0 0 1rem;
330
}
331
 
332
 
333
// Images and content
334
 
1441 ariadna 335
img,
1 efrain 336
svg {
337
  vertical-align: middle;
338
}
339
 
340
 
341
// Tables
342
//
1441 ariadna 343
// Prevent double borders
1 efrain 344
 
345
table {
1441 ariadna 346
  caption-side: bottom;
347
  border-collapse: collapse;
1 efrain 348
}
349
 
350
caption {
1441 ariadna 351
  padding-top: $table-cell-padding-y;
352
  padding-bottom: $table-cell-padding-y;
1 efrain 353
  color: $table-caption-color;
354
  text-align: left;
355
}
356
 
357
// 1. Removes font-weight bold by inheriting
358
// 2. Matches default `<td>` alignment by inheriting `text-align`.
359
// 3. Fix alignment for Safari
360
 
361
th {
362
  font-weight: $table-th-font-weight; // 1
363
  text-align: inherit; // 2
364
  text-align: -webkit-match-parent; // 3
365
}
366
 
1441 ariadna 367
thead,
368
tbody,
369
tfoot,
370
tr,
371
td,
372
th {
373
  border-color: inherit;
374
  border-style: solid;
375
  border-width: 0;
376
}
1 efrain 377
 
1441 ariadna 378
 
1 efrain 379
// Forms
380
//
1441 ariadna 381
// 1. Allow labels to use `margin` for spacing.
1 efrain 382
 
383
label {
1441 ariadna 384
  display: inline-block; // 1
1 efrain 385
}
386
 
387
// Remove the default `border-radius` that macOS Chrome adds.
1441 ariadna 388
// See https://github.com/twbs/bootstrap/issues/24093
389
 
1 efrain 390
button {
391
  // stylelint-disable-next-line property-disallowed-list
392
  border-radius: 0;
393
}
394
 
395
// Explicitly remove focus outline in Chromium when it shouldn't be
396
// visible (e.g. as result of mouse click or touch tap). It already
397
// should be doing this automatically, but seems to currently be
398
// confused and applies its very visible two-tone outline anyway.
399
 
400
button:focus:not(:focus-visible) {
401
  outline: 0;
402
}
403
 
1441 ariadna 404
// 1. Remove the margin in Firefox and Safari
405
 
1 efrain 406
input,
407
button,
408
select,
409
optgroup,
410
textarea {
1441 ariadna 411
  margin: 0; // 1
1 efrain 412
  font-family: inherit;
413
  @include font-size(inherit);
414
  line-height: inherit;
415
}
416
 
1441 ariadna 417
// Remove the inheritance of text transform in Firefox
1 efrain 418
button,
419
select {
1441 ariadna 420
  text-transform: none;
1 efrain 421
}
422
// Set the cursor for non-`<button>` buttons
423
//
424
// Details at https://github.com/twbs/bootstrap/pull/30562
425
[role="button"] {
426
  cursor: pointer;
427
}
428
 
429
select {
1441 ariadna 430
  // Remove the inheritance of word-wrap in Safari.
431
  // See https://github.com/twbs/bootstrap/issues/24990
1 efrain 432
  word-wrap: normal;
1441 ariadna 433
 
434
  // Undo the opacity change from Chrome
435
  &:disabled {
436
    opacity: 1;
437
  }
1 efrain 438
}
439
 
1441 ariadna 440
// Remove the dropdown arrow only from text type inputs built with datalists in Chrome.
441
// See https://stackoverflow.com/a/54997118
1 efrain 442
 
1441 ariadna 443
[list]:not([type="date"]):not([type="datetime-local"]):not([type="month"]):not([type="week"]):not([type="time"])::-webkit-calendar-picker-indicator {
444
  display: none !important;
445
}
446
 
1 efrain 447
// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
448
//    controls in Android 4.
449
// 2. Correct the inability to style clickable types in iOS and Safari.
1441 ariadna 450
// 3. Opinionated: add "hand" cursor to non-disabled button elements.
451
 
1 efrain 452
button,
453
[type="button"], // 1
454
[type="reset"],
455
[type="submit"] {
456
  -webkit-appearance: button; // 2
457
 
1441 ariadna 458
  @if $enable-button-pointers {
1 efrain 459
    &:not(:disabled) {
1441 ariadna 460
      cursor: pointer; // 3
1 efrain 461
    }
462
  }
463
}
464
 
465
// Remove inner border and padding from Firefox, but don't restore the outline like Normalize.
1441 ariadna 466
 
467
::-moz-focus-inner {
1 efrain 468
  padding: 0;
469
  border-style: none;
470
}
471
 
1441 ariadna 472
// 1. Textareas should really only resize vertically so they don't break their (horizontal) containers.
1 efrain 473
 
474
textarea {
1441 ariadna 475
  resize: vertical; // 1
1 efrain 476
}
477
 
1441 ariadna 478
// 1. Browsers set a default `min-width: min-content;` on fieldsets,
479
//    unlike e.g. `<div>`s, which have `min-width: 0;` by default.
480
//    So we reset that to ensure fieldsets behave more like a standard block element.
481
//    See https://github.com/twbs/bootstrap/issues/12359
482
//    and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
483
// 2. Reset the default outline behavior of fieldsets so they don't affect page layout.
484
 
1 efrain 485
fieldset {
1441 ariadna 486
  min-width: 0; // 1
487
  padding: 0; // 2
488
  margin: 0; // 2
489
  border: 0; // 2
1 efrain 490
}
491
 
1441 ariadna 492
// 1. By using `float: left`, the legend will behave like a block element.
493
//    This way the border of a fieldset wraps around the legend if present.
494
// 2. Fix wrapping bug.
495
//    See https://github.com/twbs/bootstrap/issues/29712
496
 
1 efrain 497
legend {
1441 ariadna 498
  float: left; // 1
1 efrain 499
  width: 100%;
500
  padding: 0;
1441 ariadna 501
  margin-bottom: $legend-margin-bottom;
502
  @include font-size($legend-font-size);
503
  font-weight: $legend-font-weight;
1 efrain 504
  line-height: inherit;
1441 ariadna 505
 
506
  + * {
507
    clear: left; // 2
508
  }
1 efrain 509
}
510
 
1441 ariadna 511
// Fix height of inputs with a type of datetime-local, date, month, week, or time
512
// See https://github.com/twbs/bootstrap/issues/18842
513
 
514
::-webkit-datetime-edit-fields-wrapper,
515
::-webkit-datetime-edit-text,
516
::-webkit-datetime-edit-minute,
517
::-webkit-datetime-edit-hour-field,
518
::-webkit-datetime-edit-day-field,
519
::-webkit-datetime-edit-month-field,
520
::-webkit-datetime-edit-year-field {
521
  padding: 0;
1 efrain 522
}
523
 
1441 ariadna 524
::-webkit-inner-spin-button {
1 efrain 525
  height: auto;
526
}
527
 
1441 ariadna 528
// 1. This overrides the extra rounded corners on search inputs in iOS so that our
529
//    `.form-control` class can properly style them. Note that this cannot simply
530
//    be added to `.form-control` as it's not specific enough. For details, see
531
//    https://github.com/twbs/bootstrap/issues/11586.
532
// 2. Correct the outline style in Safari.
533
 
1 efrain 534
[type="search"] {
1441 ariadna 535
  -webkit-appearance: textfield; // 1
536
  outline-offset: -2px; // 2
1 efrain 537
}
538
 
1441 ariadna 539
// 1. A few input types should stay LTR
540
// See https://rtlstyling.com/posts/rtl-styling#form-inputs
541
// 2. RTL only output
542
// See https://rtlcss.com/learn/usage-guide/control-directives/#raw
543
 
544
/* rtl:raw:
545
[type="tel"],
546
[type="url"],
547
[type="email"],
548
[type="number"] {
549
  direction: ltr;
550
}
551
*/
552
 
1 efrain 553
// Remove the inner padding in Chrome and Safari on macOS.
554
 
1441 ariadna 555
::-webkit-search-decoration {
1 efrain 556
  -webkit-appearance: none;
557
}
558
 
1441 ariadna 559
// Remove padding around color pickers in webkit browsers
1 efrain 560
 
1441 ariadna 561
::-webkit-color-swatch-wrapper {
562
  padding: 0;
1 efrain 563
}
564
 
1441 ariadna 565
 
566
// 1. Inherit font family and line height for file input buttons
567
// 2. Correct the inability to style clickable types in iOS and Safari.
568
 
569
::file-selector-button {
570
  font: inherit; // 1
571
  -webkit-appearance: button; // 2
572
}
573
 
1 efrain 574
// Correct element displays
575
 
576
output {
577
  display: inline-block;
578
}
579
 
1441 ariadna 580
// Remove border from iframe
581
 
582
iframe {
583
  border: 0;
584
}
585
 
586
// Summary
587
//
588
// 1. Add the correct display in all browsers
589
 
1 efrain 590
summary {
1441 ariadna 591
  display: list-item; // 1
1 efrain 592
  cursor: pointer;
593
}
594
 
1441 ariadna 595
 
596
// Progress
597
//
598
// Add the correct vertical alignment in Chrome, Firefox, and Opera.
599
 
600
progress {
601
  vertical-align: baseline;
1 efrain 602
}
603
 
1441 ariadna 604
 
605
// Hidden attribute
606
//
607
// Always hide an element with the `hidden` HTML attribute.
608
 
1 efrain 609
[hidden] {
610
  display: none !important;
611
}