diff --git a/docs/examples/carousel/index.html b/docs/examples/carousel/index.html
index 3397a3a7e340316d8fb1b098b42f9aca3d76f63e..5503b0eab836c4fcde89f99b7d38bc4f79328b0d 100644
--- a/docs/examples/carousel/index.html
+++ b/docs/examples/carousel/index.html
@@ -129,7 +129,7 @@
<p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
</div>
<div class="col-md-5">
- <img class="featurette-image img-fluid m-x-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
+ <img class="featurette-image img-fluid mx-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
</div>
</div>
@@ -141,7 +141,7 @@
<p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
</div>
<div class="col-md-5 pull-md-7">
- <img class="featurette-image img-fluid m-x-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
+ <img class="featurette-image img-fluid mx-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
</div>
</div>
@@ -153,7 +153,7 @@
<p class="lead">Donec ullamcorper nulla non metus auctor fringilla. Vestibulum id ligula porta felis euismod semper. Praesent commodo cursus magna, vel scelerisque nisl consectetur. Fusce dapibus, tellus ac cursus commodo.</p>
</div>
<div class="col-md-5">
- <img class="featurette-image img-fluid m-x-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
+ <img class="featurette-image img-fluid mx-auto" data-src="holder.js/500x500/auto" alt="Generic placeholder image">
</div>
</div>
diff --git a/docs/examples/navbar-top-fixed/index.html b/docs/examples/navbar-top-fixed/index.html
index 45514d854ed75c2f302ef296306ae5ec69d412e3..1ecbd2c3b42b719d8103b1303b6bed6940919c61 100644
--- a/docs/examples/navbar-top-fixed/index.html
+++ b/docs/examples/navbar-top-fixed/index.html
@@ -21,7 +21,7 @@
<div class="pos-f-t">
<div class="collapse" id="navbar-header">
- <div class="container-fluid bg-inverse p-a-1">
+ <div class="container-fluid bg-inverse p-1">
<h3>Collapsed content</h3>
<p>Toggleable via the navbar brand.</p>
</div>
diff --git a/docs/examples/navbar-top/index.html b/docs/examples/navbar-top/index.html
index 66e7754adbb4bdee25e1e15769cbb0554d539bb5..d86704e35758023340b6049d33cf9bb43117fe76 100644
--- a/docs/examples/navbar-top/index.html
+++ b/docs/examples/navbar-top/index.html
@@ -20,12 +20,12 @@
<body>
<div class="collapse" id="navbar-header">
- <div class="container-fluid bg-inverse p-a-1">
+ <div class="container-fluid bg-inverse p-1">
<h3>Collapsed content</h3>
<p>Toggleable via the navbar brand.</p>
</div>
</div>
- <div class="navbar navbar-light bg-faded navbar-static-top m-b-1">
+ <div class="navbar navbar-light bg-faded navbar-static-top mb-1">
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar-header" aria-controls="navbar-header" aria-expanded="false" aria-label="Toggle navigation"></button>
</div>
diff --git a/docs/examples/sticky-footer-navbar/index.html b/docs/examples/sticky-footer-navbar/index.html
index efe9b4c64d87bbeb655f4570efdd67999c3de1fd..855f0418d648ea462fd83ef06a64b304c56f8698 100644
--- a/docs/examples/sticky-footer-navbar/index.html
+++ b/docs/examples/sticky-footer-navbar/index.html
@@ -23,7 +23,7 @@
<!-- Fixed navbar -->
<div class="pos-f-t">
<div class="collapse" id="navbar-header">
- <div class="container bg-inverse p-a-1">
+ <div class="container bg-inverse p-1">
<h3>Collapsed content</h3>
<p>Toggleable via the navbar brand.</p>
</div>
@@ -54,7 +54,7 @@
<!-- Begin page content -->
<div class="container">
- <div class="m-t-1">
+ <div class="mt-1">
<h1>Sticky footer with fixed navbar</h1>
</div>
<p class="lead">Pin a fixed-height footer to the bottom of the viewport in desktop browsers with this custom HTML and CSS. A fixed navbar has been added with <code>padding-top: 60px;</code> on the <code>body > .container</code>.</p>
diff --git a/docs/examples/sticky-footer/index.html b/docs/examples/sticky-footer/index.html
index bc16be25199eab285728e80cefd73318183d4bf6..3d305166e90ebac33cc7408245c9bf80bc2353e7 100644
--- a/docs/examples/sticky-footer/index.html
+++ b/docs/examples/sticky-footer/index.html
@@ -22,7 +22,7 @@
<!-- Begin page content -->
<div class="container">
- <div class="m-t-1">
+ <div class="mt-1">
<h1>Sticky footer</h1>
</div>
<p class="lead">Pin a fixed-height footer to the bottom of the viewport in desktop browsers with this custom HTML and CSS.</p>
diff --git a/docs/index.html b/docs/index.html
index 6ecac79796fc90c2250a5cc671f1dc6e83fbada0..3fe4c513bf5d0918a202e2ca17d7857b0b17f716 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -20,14 +20,14 @@ layout: home
<p class="lead">Quickly include Bootstrap's CSS and JS into any project. Use your favorite package manager, download the source, or use the Bootstrap CDN.</p>
<div class="row">
- <div class="col-sm-6 m-b-3">
+ <div class="col-sm-6 mb-3">
<h4>Managed dependencies</h4>
<p>Include Bootstrap's source Sass and JavaScript files via Bower, Composer, Meteor, or npm. Package managed installs don't include documentation, but do include our Gruntfile and readme.</p>
<p>
<a class="btn btn-bs btn-outline" href="{{ site.baseurl }}/getting-started/download/#package-managers">View install methods</a>
</p>
</div>
- <div class="col-sm-6 m-b-3">
+ <div class="col-sm-6 mb-3">
<h4>Bootstrap CDN</h4>
<p>When you just need to include Bootstrap's compiled CSS and JS, use the Bootstrap CDN, free from the Max CDN folks.</p>
{% highlight html %}
@@ -37,7 +37,7 @@ layout: home
</div>
</div>
- <hr class="half-rule m-t-0">
+ <hr class="half-rule mt-0">
<p><strong>Looking for something else?</strong> Compiled builds of Bootstrap's CSS and JS are also available.</p>
<a href="{{ site.baseurl }}/getting-started/download/" class="btn btn-bs btn-outline">More download options</a>
@@ -50,24 +50,24 @@ layout: home
<p class="lead">Bootstrap makes front-end web development faster and easier. It's made for folks of all skill levels, devices of all shapes, and projects of all sizes.</p>
<div class="row">
- <div class="col-sm-4 m-b-3">
+ <div class="col-sm-4 mb-3">
<img src="{{ site.baseurl }}/assets/img/sass.png" alt="Sass support" class="img-fluid">
<h4>Preprocessor</h4>
<p>Bootstrap ships with vanilla CSS, but its source code utilizes <a href="http://sass-lang.com/">Sass</a>, a popular CSS preprocessor. Quickly get started with precompiled CSS or build on the source.</p>
</div>
- <div class="col-sm-4 m-b-3">
+ <div class="col-sm-4 mb-3">
<img src="{{ site.baseurl }}/assets/img/devices.png" alt="Responsive across devices" class="img-fluid">
<h4>One framework, every device.</h4>
<p>Bootstrap easily and efficiently scales your websites and applications with a single code base, from phones to tablets to desktops with CSS media queries.</p>
</div>
- <div class="col-sm-4 m-b-3">
+ <div class="col-sm-4 mb-3">
<img src="{{ site.baseurl }}/assets/img/components.png" alt="Components" class="img-fluid">
<h4>Full of features</h4>
<p>With Bootstrap, you get extensive and beautiful documentation for common HTML elements, dozens of custom HTML and CSS components, and awesome jQuery plugins.</p>
</div>
</div>
- <hr class="half-rule m-t-0">
+ <hr class="half-rule mt-0">
<p><strong>Bootstrap is open source!</strong> It's hosted, developed, and maintained on GitHub by folks like you.</p>
<a href="{{ site.repo }}" class="btn btn-bs btn-outline">View the GitHub project</a>
@@ -85,7 +85,7 @@ layout: home
<a href="{{ site.themes }}" class="btn btn-bs btn-outline">Browse themes</a>
</p>
- <img class="img-fluid m-x-auto" src="{{ site.baseurl }}/assets/img/bs-themes.png" alt="Bootstrap Themes" width="1024" height="388">
+ <img class="img-fluid mx-auto" src="{{ site.baseurl }}/assets/img/bs-themes.png" alt="Bootstrap Themes" width="1024" height="388">
</div>
</div>
diff --git a/js/tests/visual/collapse.html b/js/tests/visual/collapse.html
index 3208069cbe90afaade31da6265d38bb72985b32b..ec7a6f29a6113877dfb860d2422492d1bbe152e3 100644
--- a/js/tests/visual/collapse.html
+++ b/js/tests/visual/collapse.html
@@ -16,7 +16,7 @@
<div id="accordion">
<div class="card">
<div class="card-header">
- <h5 class="m-b-0">
+ <h5 class="mb-0">
<a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne">
Collapsible Group Item #1
</a>
@@ -30,7 +30,7 @@
</div>
<div class="card">
<div class="card-header">
- <h5 class="m-b-0">
+ <h5 class="mb-0">
<a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo">
Collapsible Group Item #2
</a>
@@ -44,7 +44,7 @@
</div>
<div class="card">
<div class="card-header">
- <h5 class="m-b-0">
+ <h5 class="mb-0">
<a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseThree">
Collapsible Group Item #3
</a>
diff --git a/js/tests/visual/dropdown.html b/js/tests/visual/dropdown.html
index 10cf6dad9032b7bb919e86ee3890ef8be8b26305..7dce87bd1b8fa739b46b9574ead3d8e33eea4c24 100644
--- a/js/tests/visual/dropdown.html
+++ b/js/tests/visual/dropdown.html
@@ -20,7 +20,7 @@
<div class="collapse navbar-toggleable-xs" id="exCollapsingNavbar2">
- <ul class="nav navbar-nav pull-left">
+ <ul class="nav navbar-nav float-xs-left">
<li class="dropdown nav-item">
<a id="drop1" href="#" role="button" class="dropdown-toggle nav-link" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
@@ -50,7 +50,7 @@
</ul>
- <ul class="nav navbar-nav pull-right">
+ <ul class="nav navbar-nav float-xs-right">
<li id="fat-menu" class="dropdown nav-item">
<a href="#" id="drop3" role="button" class="dropdown-toggle nav-link" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown 3
@@ -67,7 +67,7 @@
</div>
</nav>
- <ul class="nav nav-pills m-t-lg">
+ <ul class="nav nav-pills mt-3">
<li class="active nav-item"><a href="#" class="nav-link">Regular link</a></li>
<li class="dropdown nav-item">
<a id="drop4" class="nav-link" role="button" data-toggle="dropdown" href="#" aria-haspopup="true" aria-expanded="false">
diff --git a/js/tests/visual/modal.html b/js/tests/visual/modal.html
index 86c4a10ec7cdf7d351e4f019743b221ae463c14b..a9e2c2440a1775518bc0d93d5f366a726a566690 100644
--- a/js/tests/visual/modal.html
+++ b/js/tests/visual/modal.html
@@ -40,7 +40,7 @@
</div>
</nav>
-<div class="container m-t-lg">
+<div class="container mt-3">
<h1>Modal <small>Bootstrap Visual Test</small></h1>
@@ -65,7 +65,7 @@
<div id="accordion" role="tablist" aria-multiselectable="true">
<div class="card">
<div class="card-header" role="tab" id="headingOne">
- <h5 class="m-b-0">
+ <h5 class="mb-0">
<a role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
Collapsible Group Item #1
</a>
@@ -79,7 +79,7 @@
</div>
<div class="card">
<div class="card-header" role="tab" id="headingTwo">
- <h5 class="m-b-0">
+ <h5 class="mb-0">
<a class="collapsed" role="button" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
Collapsible Group Item #2
</a>