Use https, fix broken links and unneeded redirects.

4 files changed, 5 insertions, 5 deletions

diff --git a/docs/_includes/components/glyphicons.html b/docs/_includes/components/glyphicons.html
index 1653863bc..c5c0fc67d 100644
--- a/docs/_includes/components/glyphicons.html
+++ b/docs/_includes/components/glyphicons.html
@@ -2,7 +2,7 @@
   <h1 id="glyphicons" class="page-header">Glyphicons</h1>
 
   <h2 id="glyphicons-glyphs">Available glyphs</h2>
-  <p>Includes over 250 glyphs in font format from the Glyphicon Halflings set. <a href="http://glyphicons.com/">Glyphicons</a> Halflings are normally not available for free, but their creator has made them available for Bootstrap free of cost. As a thank you, we only ask that you include a link back to <a href="http://glyphicons.com/">Glyphicons</a> whenever possible.</p>
+  <p>Includes over 250 glyphs in font format from the Glyphicon Halflings set. <a href="http://www.glyphicons.com/">Glyphicons</a> Halflings are normally not available for free, but their creator has made them available for Bootstrap free of cost. As a thank you, we only ask that you include a link back to <a href="http://www.glyphicons.com/">Glyphicons</a> whenever possible.</p>
   <div class="bs-glyphicons">
     <ul class="bs-glyphicons-list">
       {% for iconClassName in site.data.glyphicons %}
@@ -30,7 +30,7 @@
     <p>Bootstrap assumes icon font files will be located in the <code>../fonts/</code> directory, relative to the compiled CSS files. Moving or renaming those font files means updating the CSS in one of three ways:</p>
     <ul>
       <li>Change the <code>@icon-font-path</code> and/or <code>@icon-font-name</code> variables in the source Less files.</li>
-      <li>Utilize the <a href="http://lesscss.org/usage/#command-line-usage-relative-urls">relative URLs option</a> provided by the Less compiler.</li>
+      <li>Utilize the <a href="http://lesscss.org/usage/#less-options-relative-urls">relative URLs option</a> provided by the Less compiler.</li>
       <li>Change the <code>url()</code> paths in the compiled CSS.</li>
     </ul>
     <p>Use whatever option best suits your specific development setup.</p>
diff --git a/docs/_includes/components/progress-bars.html b/docs/_includes/components/progress-bars.html
index f349810a8..26886e228 100644
--- a/docs/_includes/components/progress-bars.html
+++ b/docs/_includes/components/progress-bars.html
@@ -10,7 +10,7 @@
 
   <div class="bs-callout bs-callout-info">
     <h4 id="callout-progress-csp">Content Security Policy (CSP) compatibility</h4>
-    <p>If your website has a <a href="https://developer.mozilla.org/en-US/docs/Web/Security/CSP">Content Security Policy (CSP)</a> which doesn't allow <code>style-src 'unsafe-inline'</code>, then you won't be able to use inline <code>style</code> attributes to set progress bar widths as shown in our examples below. Alternative methods for setting the widths that are compatible with strict CSPs include using a little custom JavaScript (that sets <code>element.style.width</code>) or using custom CSS classes.</p>
+    <p>If your website has a <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP">Content Security Policy (CSP)</a> which doesn't allow <code>style-src 'unsafe-inline'</code>, then you won't be able to use inline <code>style</code> attributes to set progress bar widths as shown in our examples below. Alternative methods for setting the widths that are compatible with strict CSPs include using a little custom JavaScript (that sets <code>element.style.width</code>) or using custom CSS classes.</p>
   </div>
 
   <h2 id="progress-basic">Basic example</h2>
diff --git a/docs/_includes/components/responsive-embed.html b/docs/_includes/components/responsive-embed.html
index bb79053ca..a13b1dc01 100644
--- a/docs/_includes/components/responsive-embed.html
+++ b/docs/_includes/components/responsive-embed.html
@@ -6,7 +6,7 @@
   <p><strong>Pro-Tip!</strong> You don't need to include <code>frameborder="0"</code> in your <code>&lt;iframe&gt;</code>s as we override that for you.</p>
   <div class="bs-example" data-example-id="responsive-embed-16by9-iframe-youtube">
     <div class="embed-responsive embed-responsive-16by9">
-      <iframe class="embed-responsive-item" src="//www.youtube.com/embed/zpOULjyy-n8?rel=0" allowfullscreen></iframe>
+      <iframe class="embed-responsive-item" src="https://www.youtube.com/embed/zpOULjyy-n8?rel=0" allowfullscreen></iframe>
     </div>
   </div>
 {% highlight html %}
diff --git a/docs/_includes/components/thumbnails.html b/docs/_includes/components/thumbnails.html
index 8b2d6f939..182f51642 100644
--- a/docs/_includes/components/thumbnails.html
+++ b/docs/_includes/components/thumbnails.html
@@ -2,7 +2,7 @@
   <h1 id="thumbnails" class="page-header">Thumbnails</h1>
 
   <p class="lead">Extend Bootstrap's <a href="{{ site.baseurl }}/css/#grid">grid system</a> with the thumbnail component to easily display grids of images, videos, text, and more.</p>
-  <p>If you're looking for Pinterest-like presentation of thumbnails of varying heights and/or widths, you'll need to use a third-party plugin such as <a href="http://masonry.desandro.com">Masonry</a>, <a href="http://isotope.metafizzy.co">Isotope</a>, or <a href="http://salvattore.com">Salvattore</a>.</p>
+  <p>If you're looking for Pinterest-like presentation of thumbnails of varying heights and/or widths, you'll need to use a third-party plugin such as <a href="https://masonry.desandro.com/">Masonry</a>, <a href="https://isotope.metafizzy.co/">Isotope</a>, or <a href="https://salvattore.js.org/">Salvattore</a>.</p>
 
   <h2 id="thumbnails-default">Default example</h2>
   <p>By default, Bootstrap's thumbnails are designed to showcase linked images with minimal required markup.</p>