0
0
mirror of https://github.com/twbs/bootstrap.git synced 2025-02-26 23:54:23 +01:00

prototype: handle data-bs-theme differently

This commit is contained in:
Julien Déramond 2023-10-13 15:16:38 +02:00
parent ce114117a8
commit ecab15443f
No known key found for this signature in database
GPG Key ID: DCD226672FC08F31
6 changed files with 411 additions and 14 deletions

View File

@ -15,11 +15,11 @@
--#{$prefix}accordion-btn-padding-y: #{$accordion-button-padding-y};
--#{$prefix}accordion-btn-color: #{$accordion-button-color};
--#{$prefix}accordion-btn-bg: #{$accordion-button-bg};
--#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon)};
// --#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon)};
--#{$prefix}accordion-btn-icon-width: #{$accordion-icon-width};
--#{$prefix}accordion-btn-icon-transform: #{$accordion-icon-transform};
--#{$prefix}accordion-btn-icon-transition: #{$accordion-icon-transition};
--#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon)};
// --#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon)};
--#{$prefix}accordion-btn-focus-border-color: #{$accordion-button-focus-border-color};
--#{$prefix}accordion-btn-focus-box-shadow: #{$accordion-button-focus-box-shadow};
--#{$prefix}accordion-body-padding-x: #{$accordion-body-padding-x};
@ -148,11 +148,25 @@
}
}
@include color-mode() {
--#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon)};
--#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon)};
}
@if $enable-dark-mode {
@include color-mode(dark) {
.accordion-button::after {
--#{$prefix}accordion-btn-icon: #{escape-svg($accordion-button-icon-dark)};
--#{$prefix}accordion-btn-active-icon: #{escape-svg($accordion-button-active-icon-dark)};
}
}
}
/*
[data-bs-theme="light"] .accordion
[data-bs-theme="light"].accordion
[data-bs-theme="dark"] .accordion
[data-bs-theme="dark"].accordion
accordion data-bs-theme="dark"
<div data-bs-theme="light">
accordion
*/

View File

@ -1,5 +1,25 @@
:root,
[data-bs-theme] {
color: var(--#{$prefix}body-color);
background-color: var(--#{$prefix}body-bg);
}
// Note that some of these variables could be extracted into `:root` only selector since they are not modified by other color modes!
/*
:root {
// ...
--#{$prefix}box-shadow: #{$box-shadow};
--#{$prefix}box-shadow-sm: #{$box-shadow-sm};
--#{$prefix}box-shadow-lg: #{$box-shadow-lg};
--#{$prefix}box-shadow-inset: #{$box-shadow-inset};
// ...
*/
:root,
[data-bs-theme="light"] {
color-scheme: light;
// Note: Custom variable values only support SassScript inside `#{}`.
// Colors

View File

@ -79,8 +79,8 @@ $form-invalid-border-color-dark: $red-300 !default;
// Accordion
//
$accordion-icon-color-dark: $primary-text-emphasis-dark !default;
$accordion-icon-active-color-dark: $primary-text-emphasis-dark !default;
$accordion-icon-color-dark: $purple !default;
$accordion-icon-active-color-dark: $pink !default;
$accordion-button-icon-dark: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-color-dark}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;
$accordion-button-active-icon-dark: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='#{$accordion-icon-active-color-dark}'><path fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/></svg>") !default;

View File

@ -1365,8 +1365,8 @@ $card-group-margin: $grid-gutter-width * .5 !default;
// scss-docs-start accordion-variables
$accordion-padding-y: 1rem !default;
$accordion-padding-x: 1.25rem !default;
$accordion-color: var(--#{$prefix}body-color) !default;
$accordion-bg: var(--#{$prefix}body-bg) !default;
$accordion-color: null !default;
$accordion-bg: null !default;
$accordion-border-width: var(--#{$prefix}border-width) !default;
$accordion-border-color: var(--#{$prefix}border-color) !default;
$accordion-border-radius: var(--#{$prefix}border-radius) !default;
@ -1387,8 +1387,8 @@ $accordion-button-focus-border-color: $input-focus-border-color !default;
$accordion-button-focus-box-shadow: $btn-focus-box-shadow !default;
$accordion-icon-width: 1.25rem !default;
$accordion-icon-color: $body-color !default;
$accordion-icon-active-color: $primary-text-emphasis !default;
$accordion-icon-color: $orange !default;
$accordion-icon-active-color: $red !default;
$accordion-icon-transition: transform .2s ease-in-out !default;
$accordion-icon-transform: rotate(-180deg) !default;

View File

@ -12,10 +12,17 @@
@content;
}
}
} @else {
@if $mode == "light" {
:root,
[data-bs-theme="#{$mode}"] {
@content;
}
} @else {
[data-bs-theme="#{$mode}"] {
@content;
}
}
}
}
// scss-docs-end color-mode-mixin

View File

@ -0,0 +1,356 @@
---
layout: examples
title: Dark Mode Testing
html_class: "h-100"
body_class: "d-flex h-100"
---
<div class="p-5">
<h1>Default theme of the page</h1>
<h2><a href="/">Link title</h2>
<p>Lorem ipsum dolor <a href="/">sit amet consectetur adipisicing elit</a>. Voluptatum sed ratione facilis nisi enim omnis sequi nam nemo vero, perferendis repellendus eos molestiae autem ad harum nihil vel facere quod.</p>
<div class="p-5" data-bs-theme="light">
<h1>Forced Light Theme On Container</h1>
<h2><a href="/">Link title</h2>
<p>Lorem ipsum dolor <a href="/">sit amet consectetur adipisicing elit</a>. Voluptatum sed ratione facilis nisi enim omnis sequi nam nemo vero, perferendis repellendus eos molestiae autem ad harum nihil vel facere quod.</p>
</div>
<div class="p-5" data-bs-theme="dark">
<h1>Forced Dark Theme On Container</h1>
<h2><a href="/">Link title</h2>
<p>Lorem ipsum dolor <a href="/">sit amet consectetur adipisicing elit</a>. Voluptatum sed ratione facilis nisi enim omnis sequi nam nemo vero, perferendis repellendus eos molestiae autem ad harum nihil vel facere quod.</p>
</div>
<hr>
<h2>Accordions</h2>
<h3>Default</h3>
<div class="accordion" id="accordionExample">
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Accordion Item #1
</button>
</h2>
<div id="collapseOne" class="accordion-collapse collapse show" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the first item's accordion body.</strong> It is shown by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Accordion Item #2
</button>
</h2>
<div id="collapseTwo" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Accordion Item #3
</button>
</h2>
<div id="collapseThree" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
</div>
<h3>Forced Light mode On Container</h3>
<div data-bs-theme="light">
<div class="accordion" id="accordionExample">
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Accordion Item #1
</button>
</h2>
<div id="collapseOne" class="accordion-collapse collapse show" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the first item's accordion body.</strong> It is shown by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Accordion Item #2
</button>
</h2>
<div id="collapseTwo" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Accordion Item #3
</button>
</h2>
<div id="collapseThree" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
</div>
</div>
<h3>Forced Dark mode On Container</h3>
<div data-bs-theme="dark">
<div class="accordion" id="accordionExample">
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Accordion Item #1
</button>
</h2>
<div id="collapseOne" class="accordion-collapse collapse show" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Accordion Item #2
</button>
</h2>
<div id="collapseTwo" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Accordion Item #3
</button>
</h2>
<div id="collapseThree" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
</div>
</div>
<h3>Forced Light mode On Accordion</h3>
<div>
<div class="accordion" id="accordionExample" data-bs-theme="light">
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Accordion Item #1
</button>
</h2>
<div id="collapseOne" class="accordion-collapse collapse show" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the first item's accordion body.</strong> It is shown by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Accordion Item #2
</button>
</h2>
<div id="collapseTwo" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Accordion Item #3
</button>
</h2>
<div id="collapseThree" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
</div>
</div>
<h3>Forced Dark mode On Accordion</h3>
<div>
<div class="accordion" id="accordionExample" data-bs-theme="dark">
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button" type="button" data-bs-toggle="collapse" data-bs-target="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Accordion Item #1
</button>
</h2>
<div id="collapseOne" class="accordion-collapse collapse show" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the first item's accordion body.</strong> It is shown by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Accordion Item #2
</button>
</h2>
<div id="collapseTwo" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the second item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
Accordion Item #3
</button>
</h2>
<div id="collapseThree" class="accordion-collapse collapse" data-bs-parent="#accordionExample">
<div class="accordion-body">
<strong>This is the third item's accordion body.</strong> It is hidden by default, until the collapse plugin adds the appropriate classes that we use to style each element. These classes control the overall appearance, as well as the showing and hiding via CSS transitions. You can modify any of this with custom CSS or overriding our default variables. It's also worth noting that just about any HTML can go within the <code>.accordion-body</code>, though the transition does limit overflow.
</div>
</div>
</div>
</div>
</div>
<hr>
<h2>Buttons</h2>
<h3>Default</h3>
<div>
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-secondary">Secondary</button>
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-light">Light</button>
<button type="button" class="btn btn-dark">Dark</button>
<button type="button" class="btn btn-link">Link</button>
</div>
<h3>Forced Light mode On Container</h3>
<div data-bs-theme="light">
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-secondary">Secondary</button>
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-light">Light</button>
<button type="button" class="btn btn-dark">Dark</button>
<button type="button" class="btn btn-link">Link</button>
</div>
<h3>Forced Dark mode On Container</h3>
<div data-bs-theme="dark">
<button type="button" class="btn btn-primary">Primary</button>
<button type="button" class="btn btn-secondary">Secondary</button>
<button type="button" class="btn btn-success">Success</button>
<button type="button" class="btn btn-danger">Danger</button>
<button type="button" class="btn btn-warning">Warning</button>
<button type="button" class="btn btn-info">Info</button>
<button type="button" class="btn btn-light">Light</button>
<button type="button" class="btn btn-dark">Dark</button>
<button type="button" class="btn btn-link">Link</button>
</div>
<h3>Forced Light mode On Buttons</h3>
<div>
<button type="button" class="btn btn-primary" data-bs-theme="light">Primary</button>
<button type="button" class="btn btn-secondary" data-bs-theme="light">Secondary</button>
<button type="button" class="btn btn-success" data-bs-theme="light">Success</button>
<button type="button" class="btn btn-danger" data-bs-theme="light">Danger</button>
<button type="button" class="btn btn-warning" data-bs-theme="light">Warning</button>
<button type="button" class="btn btn-info" data-bs-theme="light">Info</button>
<button type="button" class="btn btn-light" data-bs-theme="light">Light</button>
<button type="button" class="btn btn-dark" data-bs-theme="light">Dark</button>
<button type="button" class="btn btn-link" data-bs-theme="light">Link</button>
</div>
<h3>Forced Dark mode On Buttons</h3>
<div>
<button type="button" class="btn btn-primary" data-bs-theme="dark">Primary</button>
<button type="button" class="btn btn-secondary" data-bs-theme="dark">Secondary</button>
<button type="button" class="btn btn-success" data-bs-theme="dark">Success</button>
<button type="button" class="btn btn-danger" data-bs-theme="dark">Danger</button>
<button type="button" class="btn btn-warning" data-bs-theme="dark">Warning</button>
<button type="button" class="btn btn-info" data-bs-theme="dark">Info</button>
<button type="button" class="btn btn-light" data-bs-theme="dark">Light</button>
<button type="button" class="btn btn-dark" data-bs-theme="dark">Dark</button>
<button type="button" class="btn btn-link" data-bs-theme="dark">Link</button>
</div>
<hr>
<h2>Form validation</h2>
<h3>Default</h3>
<form class="row g-3">
<div class="col-md-4">
<label for="validationServer01" class="form-label">First name</label>
<input type="text" class="form-control is-valid" id="validationServer01" value="Mark" required>
<div class="valid-feedback">
Looks good!
</div>
</div>
<div class="col-md-4">
<label for="validationServer02" class="form-label">Last name</label>
<input type="text" class="form-control is-valid" id="validationServer02" value="Otto" required>
<div class="valid-feedback">
Looks good!
</div>
</div>
<div class="col-md-4">
<label for="validationServerUsername" class="form-label">Username</label>
<div class="input-group has-validation">
<span class="input-group-text" id="inputGroupPrepend3">@</span>
<input type="text" class="form-control is-invalid" id="validationServerUsername" aria-describedby="inputGroupPrepend3 validationServerUsernameFeedback" required>
<div id="validationServerUsernameFeedback" class="invalid-feedback">
Please choose a username.
</div>
</div>
</div>
<div class="col-md-6">
<label for="validationServer03" class="form-label">City</label>
<input type="text" class="form-control is-invalid" id="validationServer03" aria-describedby="validationServer03Feedback" required>
<div id="validationServer03Feedback" class="invalid-feedback">
Please provide a valid city.
</div>
</div>
<div class="col-md-3">
<label for="validationServer04" class="form-label">State</label>
<select class="form-select is-invalid" id="validationServer04" aria-describedby="validationServer04Feedback" required>
<option selected disabled value="">Choose...</option>
<option>...</option>
</select>
<div id="validationServer04Feedback" class="invalid-feedback">
Please select a valid state.
</div>
</div>
<div class="col-md-3">
<label for="validationServer05" class="form-label">Zip</label>
<input type="text" class="form-control is-invalid" id="validationServer05" aria-describedby="validationServer05Feedback" required>
<div id="validationServer05Feedback" class="invalid-feedback">
Please provide a valid zip.
</div>
</div>
<div class="col-12">
<div class="form-check">
<input class="form-check-input is-invalid" type="checkbox" value="" id="invalidCheck3" aria-describedby="invalidCheck3Feedback" required>
<label class="form-check-label" for="invalidCheck3">
Agree to terms and conditions
</label>
<div id="invalidCheck3Feedback" class="invalid-feedback">
You must agree before submitting.
</div>
</div>
</div>
<div class="col-12">
<button class="btn btn-primary" type="submit">Submit form</button>
</div>
</form>
</div>