Flexbox based sticky footer example (#26674)

* Flexbox based sticky footer * Update guide message * Use utility classes instead of custom CSS

Flexbox based sticky footer example (#26674)
* Flexbox based sticky footer * Update guide message * Use utility classes instead of custom CSS
ab53ccc2 · ysds · Mark Otto · d80635c1 · ab53ccc2 · ab53ccc2
Commit ab53ccc2 authored 6 years ago by ysds Committed by Mark Otto 6 years ago
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with 27 additions and 55 deletions
+27 -55
--- a/site/docs/4.1/examples/sticky-footer-navbar/index.html
+++ b/site/docs/4.1/examples/sticky-footer-navbar/index.html
 <!doctype html>
-<html lang="en">
+<html lang="en" class="h-100">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
@@ -16,7 +16,7 @@
    <link href="sticky-footer-navbar.css" rel="stylesheet">
  </head>
-  <body>
+  <body class="d-flex flex-column h-100">
    <header>
      <!-- Fixed navbar -->
@@ -46,13 +46,15 @@
    </header>
    <!-- Begin page content -->
-    <main role="main" class="container">
+    <main role="main" class="flex-shrink-0">
-      <h1 class="mt-5">Sticky footer with fixed navbar</h1>
+      <div class="container">
-      <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 &gt; .container</code>.</p>
+        <h1 class="mt-5">Sticky footer with fixed navbar</h1>
-      <p>Back to <a href="../sticky-footer">the default sticky footer</a> minus the navbar.</p>
+        <p class="lead">Pin a 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>main &gt; .container</code>.</p>
+        <p>Back to <a href="../sticky-footer">the default sticky footer</a> minus the navbar.</p>
+      </div>
    </main>
-    <footer class="footer">
+    <footer class="footer mt-auto py-3">
      <div class="container">
        <span class="text-muted">Place sticky footer content here.</span>
      </div>

--- a/site/docs/4.1/examples/sticky-footer-navbar/sticky-footer-navbar.css
+++ b/site/docs/4.1/examples/sticky-footer-navbar/sticky-footer-navbar.css
-/* Sticky footer styles
-------------------------------------------------- */
-html {
-  position: relative;
-  min-height: 100%;
-}
-body {
-  /* Margin bottom by footer height */
-  margin-bottom: 60px;
-}
-.footer {
-  position: absolute;
-  bottom: 0;
-  width: 100%;
-  /* Set the fixed height of the footer here */
-  height: 60px;
-  line-height: 60px; /* Vertically center the text there */
-  background-color: #f5f5f5;
-}
 /* Custom page CSS
 -------------------------------------------------- */
 /* Not required for template or sticky footer method. */
-body > .container {
+main > .container {
  padding: 60px 15px 0;
 }
+.footer {
+  background-color: #f5f5f5;
+}
 .footer > .container {
  padding-right: 15px;
  padding-left: 15px;

--- a/site/docs/4.1/examples/sticky-footer/index.html
+++ b/site/docs/4.1/examples/sticky-footer/index.html
 <!doctype html>
-<html lang="en">
+<html lang="en" class="h-100">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
@@ -16,16 +16,18 @@
    <link href="sticky-footer.css" rel="stylesheet">
  </head>
-  <body>
+  <body class="d-flex flex-column h-100">
    <!-- Begin page content -->
-    <main role="main" class="container">
+    <main role="main" class="flex-shrink-0">
-      <h1 class="mt-5">Sticky footer</h1>
+      <div class="container">
-      <p class="lead">Pin a fixed-height footer to the bottom of the viewport in desktop browsers with this custom HTML and CSS.</p>
+        <h1 class="mt-5">Sticky footer</h1>
-      <p>Use <a href="../sticky-footer-navbar">the sticky footer with a fixed navbar</a> if need be, too.</p>
+        <p class="lead">Pin a footer to the bottom of the viewport in desktop browsers with this custom HTML and CSS.</p>
+        <p>Use <a href="../sticky-footer-navbar">the sticky footer with a fixed navbar</a> if need be, too.</p>
+      </div>
    </main>
-    <footer class="footer">
+    <footer class="footer mt-auto py-3">
      <div class="container">
        <span class="text-muted">Place sticky footer content here.</span>
      </div>

--- a/site/docs/4.1/examples/sticky-footer/sticky-footer.css
+++ b/site/docs/4.1/examples/sticky-footer/sticky-footer.css
-/* Sticky footer styles
-------------------------------------------------- */
-html {
-  position: relative;
-  min-height: 100%;
-}
-body {
-  margin-bottom: 60px; /* Margin bottom by footer height */
-}
-.footer {
-  position: absolute;
-  bottom: 0;
-  width: 100%;
-  height: 60px; /* Set the fixed height of the footer here */
-  line-height: 60px; /* Vertically center the text there */
-  background-color: #f5f5f5;
-}
 /* Custom page CSS
 -------------------------------------------------- */
 /* Not required for template or sticky footer method. */
@@ -26,3 +7,7 @@ body {
  max-width: 680px;
  padding: 0 15px;
 }
+.footer {
+  background-color: #f5f5f5;
+}