// scss-lint:disable QualifyingElement, DuplicateProperty

// Reboot // // Global resets to common HTML elements and more for easier usage by Bootstrap. // Adds additional rules on top of Normalize.css, including several overrides.

// Reset the box-sizing // // Change from `box-sizing: content-box` to `border-box` so that when you add // `padding` or `border`s to an element, the overall declared `width` does not // change. For example, `width: 100px;` will always be `100px` despite the // `border: 10px solid red;` and `padding: 20px;`. // // Heads up! This reset may cause conflicts with some third-party widgets. For // recommendations on resolving such conflicts, see // getbootstrap.com/getting-started/#third-box-sizing. // // Credit: css-tricks.com/inheriting-box-sizing-probably-slightly-better-best-practice/

html {

box-sizing: border-box;

}

*, *::before, *::after {

box-sizing: inherit;

}

// Make viewport responsive // // @viewport is needed because IE 10+ doesn't honor <meta name=“viewport”> in // some cases. See timkadlec.com/2012/10/ie10-snap-mode-and-responsive-design/. // Eventually @viewport will replace <meta name=“viewport”>. // // However, `device-width` is broken on IE 10 on Windows (Phone) 8, // (see timkadlec.com/2013/01/windows-phone-8-and-device-width/ and github.com/twbs/bootstrap/issues/10497) // and the fix for that involves a snippet of JavaScript to sniff the user agent // and apply some conditional CSS. // // See getbootstrap.com/getting-started/#support-ie10-width for the relevant hack. // // Wrap `@viewport` with `@at-root` for when folks do a nested import (e.g., // `.class-name { @import “bootstrap”; }`). @at-root {

@-ms-viewport { width: device-width; }

}

// // Reset HTML, body, and more //

html {

// We assume no initial pixel `font-size` for accessibility reasons. This
// allows web visitors to customize their browser default font-size, making
// your project more inclusive and accessible to everyone.

// As a side-effect of setting the @viewport above,
// IE11 & Edge make the scrollbar overlap the content and automatically hide itself when not in use.
// Unfortunately, the auto-showing of the scrollbar is sometimes too sensitive,
// thus making it hard to click on stuff near the right edge of the page.
// So we add this style to force IE11 & Edge to use a "normal", non-overlapping, non-auto-hiding scrollbar.
// See https://github.com/twbs/bootstrap/issues/18543
// and https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7165383/
-ms-overflow-style: scrollbar;

// Changes the default tap highlight to be completely transparent in iOS.
-webkit-tap-highlight-color: rgba(0,0,0,0);

}

body {

font-family: $font-family-base;
font-size: $font-size-base;
font-weight: $font-weight-base;
line-height: $line-height-base;
// Go easy on the eyes and use something other than `#000` for text
color: $body-color;
// By default, `<body>` has no `background-color` so we set one as a best practice.
background-color: $body-bg;

}

// Suppress the focus outline on elements that cannot be accessed via keyboard. // This prevents an unwanted focus outline from appearing around elements that // might still respond to pointer events. // // Credit: github.com/suitcss/base [tabindex=“-1”]:focus {

outline: none !important;

}

// // Typography //

// Remove top margins from headings // // By default, `<h1>`-`<h6>` all receive top and bottom margins. We nuke the top // margin for easier control within type scales as it avoids margin collapsing. h1, h2, h3, h4, h5, h6 {

margin-top: 0;
margin-bottom: .5rem;

}

// Reset margins on paragraphs // // Similarly, the top margin on `<p>`s get reset. However, we also reset the // bottom margin to use `rem` units instead of `em`. p {

margin-top: 0;
margin-bottom: 1rem;

}

// Abbreviations abbr, // Add data-* attribute to help out our tooltip plugin, per github.com/twbs/bootstrap/issues/5257 abbr {

cursor: help;

}

address {

margin-bottom: 1rem;
font-style: normal;
line-height: inherit;

}

ol, ul, dl {

margin-top: 0;
margin-bottom: 1rem;

}

ol ol, ul ul, ol ul, ul ol {

margin-bottom: 0;

}

dt {

font-weight: $dt-font-weight;

}

dd {

margin-bottom: .5rem;
margin-left: 0; // Undo browser default

}

blockquote {

margin: 0 0 1rem;

}

// // Links //

a {

color: $link-color;
text-decoration: $link-decoration;

@include hover-focus {
  color: $link-hover-color;
  text-decoration: $link-hover-decoration;
}

}

// And undo these styles for placeholder links/named anchors (without href) // which have not been made explicitly keyboard-focusable (without tabindex). // It would be more straightforward to just use a in previous block, but that // causes specificity issues in many other styles that are too complex to fix. // See github.com/twbs/bootstrap/issues/19402

a:not():not() {

color: inherit;
text-decoration: none;

@include hover-focus {
  color: inherit;
  text-decoration: none;
}

&:focus {
  outline: 0;
}

}

// // Code //

pre {

// Remove browser default top margin
margin-top: 0;
// Reset browser default of `1em` to use `rem`s
margin-bottom: 1rem;
// Normalize v4 removed this property, causing `<pre>` content to break out of wrapping code snippets
overflow: auto;

}

// // Figures //

figure {

// Normalize adds `margin` to `figure`s as browsers apply it inconsistently.
// We reset that to create a better flow in-page.
margin: 0 0 1rem;

}

// // Images //

img {

// By default, `<img>`s are `inline-block`. This assumes that, and vertically
// centers them. This won't apply should you reset them to `block` level.
vertical-align: middle;
// Note: `<img>`s are deliberately not made responsive by default.
// For the rationale behind this, see the comments on the `.img-fluid` class.

}

// iOS “clickable elements” fix for role=“button” // // Fixes “clickability” issue (and more generally, the firing of events such as focus as well) // for traditionally non-focusable elements with role=“button” // see developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile

role=“button”

{

cursor: pointer;

}

// Avoid 300ms click delay on touch devices that support the `touch-action` CSS property. // // In particular, unlike most other browsers, IE11+Edge on Windows 10 on touch devices and IE Mobile 10-11 // DON'T remove the click delay when `<meta name=“viewport” content=“width=device-width”>` is present. // However, they DO support removing the click delay via `touch-action: manipulation`. // See: // * v4-alpha.getbootstrap.com/content/reboot/#click-delay-optimization-for-touch // * caniuse.com/#feat=css-touch-action // * patrickhlauke.github.io/touch/tests/results/#suppressing-300ms-delay

a, area, button, [role=“button”], input, label, select, summary, textarea {

touch-action: manipulation;

}

// // Tables //

table {

// No longer part of Normalize since v4
border-collapse: collapse;
// Reset for nesting within parents with `background-color`.
background-color: $table-bg;

}

caption {

padding-top: $table-cell-padding;
padding-bottom: $table-cell-padding;
color: $text-muted;
text-align: left;
caption-side: bottom;

}

th {

// Centered by default, but left-align-ed to match the `td`s below.
text-align: left;

}

// // Forms //

label {

// Allow labels to use `margin` for spacing.
display: inline-block;
margin-bottom: .5rem;

}

// Work around a Firefox/IE bug where the transparent `button` background // results in a loss of the default `button` focus styles. // // Credit: github.com/suitcss/base/ button:focus {

outline: 1px dotted;
outline: 5px auto -webkit-focus-ring-color;

}

input, button, select, textarea {

// Normalize includes `font: inherit;`, so `font-family`. `font-size`, etc are
// properly inherited. However, `line-height` isn't inherited there.
line-height: inherit;

}

input, input {

// Apply a disabled cursor for radios and checkboxes.
//
// Note: Neither radios nor checkboxes can be readonly.
&:disabled {
  cursor: $cursor-disabled;
}

}

input, input, input, input {

// Remove the default appearance of temporal inputs to avoid a Mobile Safari
// bug where setting a custom line-height prevents text from being vertically
// centered within the input.
// See https://bugs.webkit.org/show_bug.cgi?id=139848
// and https://github.com/twbs/bootstrap/issues/11266
-webkit-appearance: listbox;

}

textarea {

// Textareas should really only resize vertically so they don't break their (horizontal) containers.
resize: vertical;

}

fieldset {

// Browsers set a default `min-width: min-content;` on fieldsets,
// unlike e.g. `<div>`s, which have `min-width: 0;` by default.
// So we reset that to ensure fieldsets behave more like a standard block element.
// See https://github.com/twbs/bootstrap/issues/12359
// and https://html.spec.whatwg.org/multipage/#the-fieldset-and-legend-elements
min-width: 0;
// Reset the default outline behavior of fieldsets so they don't affect page layout.
padding: 0;
margin: 0;
border: 0;

}

legend {

// Reset the entire legend element to match the `fieldset`
display: block;
width: 100%;
padding: 0;
margin-bottom: .5rem;
font-size: 1.5rem;
line-height: inherit;

}

input {

// This overrides the extra rounded corners on search inputs in iOS so that our
// `.form-control` class can properly style them. Note that this cannot simply
// be added to `.form-control` as it's not specific enough. For details, see
// https://github.com/twbs/bootstrap/issues/11586.
-webkit-appearance: none;

}

// todo: needed? output {

display: inline-block;

// font-size: $font-size-base; // line-height: $line-height; // color: $input-color; }

// Always hide an element with the `hidden` HTML attribute (from PureCSS).

hidden

{

display: none !important;

}