diff --git a/docs/dropdown.html b/docs/dropdown.html
index 3d6d773d..a136a756 100644
--- a/docs/dropdown.html
+++ b/docs/dropdown.html
@@ -1,5 +1,5 @@
 <!doctype html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Dropdown • Pico.css</title><meta name="description" content="a dropdown
-    component, without JavaScript."><link rel="shortcut icon" href="https://picocss.com/favicon.ico"><link rel="stylesheet" href="../css/pico.min.css"><link rel="stylesheet" href="css/pico.docs.min.css"><link rel="canonical" href="https://www.picocss.com/docs/dropdowns.html"></head><body><nav class="container-fluid"><ul><li><a href="https://picocss.com" aria-label="Back home"><svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" height="56px"><path fill="currentColor" d="M633.43 429.23c0 118.38-49.76 184.72-138.87 184.72-53 0-92.04-25.37-108.62-67.32h-2.6v203.12H250V249.7h133.67v64.72h2.28c17.24-43.9 55.3-69.92 107-69.92 90.4 0 140.48 66.02 140.48 184.73zm-136.6 0c0-49.76-22.1-81.96-56.9-81.96s-56.9 32.2-57.24 82.28c.33 50.4 22.1 81.63 57.24 81.63 35.12 0 56.9-31.87 56.9-81.95zM682.5 547.5c0-37.32 30.18-67.5 67.5-67.5s67.5 30.18 67.5 67.5S787.32 615 750 615s-67.5-30.18-67.5-67.5z"/></svg></a></li><li>Documentation</li></ul><ul><li><a href="https://picocss.com#examples" class="secondary">Examples</a></li><li><a href="./" class="secondary">Docs</a></li><li><a href="https://github.com/picocss/pico" class="contrast" aria-label="Pico GitHub repository"><svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512" height="16px"><path fill="currentColor" d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"></path></svg></a></li></ul></nav><main class="container" id="docs"><aside><nav class="closed-on-mobile"><a href="./" class="secondary" id="toggle-docs-navigation"><svg xmlns="http://www.w3.org/2000/svg" class="expand" fill="currentColor" viewBox="0 0 16 16" height="16px"><title>Expand</title><path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zM7.646.146a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 1.707V5.5a.5.5 0 0 1-1 0V1.707L6.354 2.854a.5.5 0 1 1-.708-.708l2-2zM8 10a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 0 1 .708-.708L7.5 14.293V10.5A.5.5 0 0 1 8 10z"></path></svg> <svg xmlns="http://www.w3.org/2000/svg" class="collapse" fill="currentColor" viewBox="0 0 16 16" height="16px"><title>Collapse</title><path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zm7-8a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 1 1 .708-.708L7.5 4.293V.5A.5.5 0 0 1 8 0zm-.5 11.707l-1.146 1.147a.5.5 0 0 1-.708-.708l2-2a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 11.707V15.5a.5.5 0 0 1-1 0v-3.793z"></path></svg> Table of content</a><details><summary>Getting started</summary><ul><li><a href="./" id="start-link" class="secondary">Usage</a></li><li><a href="./themes.html" id="themes-link" class="secondary">Themes</a></li><li><a href="./customization.html" id="customization-link" class="secondary">Customization</a></li><li><a href="./classless.html" id="classless-link" class="secondary">Class-less version</a></li><li><a href="./rtl.html" id="rtl-link" class="secondary">RTL</a></li></ul></details><details><summary>Layout</summary><ul><li><a href="./containers.html" id="containers-link" class="secondary">Containers</a></li><li><a href="./grid.html" id="grid-link" class="secondary">Grid</a></li><li><a href="./scroller.html" id="scroller-link" class="secondary">Horizontal scroller</a></li></ul></details><details><summary>Elements</summary><ul><li><a href="./typography.html" id="typography-link" class="secondary">Typography</a></li><li><a href="./buttons.html" id="buttons-link" class="secondary">Buttons</a></li><li><a href="./forms.html" id="forms-link" class="secondary">Forms</a></li><li><a href="./tables.html" id="tables-link" class="secondary">Tables</a></li></ul></details><details><summary>Components</summary><ul><li><a href="./accordions.html" id="accordions-link" class="secondary">Accordions</a></li><li><a href="./cards.html" id="cards-link" class="secondary">Cards</a></li><li><a href="./modal.html" id="modal-link" class="secondary">Modal</a></li><li><a href="./navs.html" id="navs-link" class="secondary">Navs</a></li><li><a href="./dropdown.html" id="dropdown-link" class="secondary">Dropdown</a></li><li><a href="./progress.html" id="progress-link" class="secondary">Progress</a></li></ul></details><details><summary>Utilities</summary><ul><li><a href="./loading.html" id="loading-link" class="secondary">Loading</a></li><li><a href="./tooltips.html" id="tooltips-link" class="secondary">Tooltips</a></li></ul></details><details><summary>Extend</summary><ul><li><a href="./we-love-classes.html" id="we-love-classes-link" class="secondary">We love .classes</a></li></ul></details></nav><script>const activeLink=document.querySelector("aside a#dropdown-link"),parentAccordion=activeLink.closest("details");activeLink.classList.add("active"),parentAccordion.setAttribute("open","true")</script></aside><div role="document"><section id="dropdown"><hgroup><h1>Dropdown</h1><h2>single / multi select dropdown, without JavaScript.</h2></hgroup><article aria-label="Dropdown examples"><details role="dropdown"><summary>Single select</summary><div><ul><li><input type="radio" id="01" name="option1"/> <label for="01">Option 1</label></li><li><input type="radio" id="02" name="option1"/> <label for="02">Option 2</label></li></ul></div></details><details role="dropdown"><summary>Multi-select</summary><div><ul><li><input type="checkbox" id="11" name="option2"/> <label for="11">Option 1</label></li><li><input type="checkbox" id="12" name="option2"/> <label for="12">Option 2</label></li></ul></div></details></article><label><strong>Usage notes</strong></label><ul><li>in order to use dropdown component, use <code>role='dropdown'</code> on details tag.</li><li>no need to use javascript to close the dropdown when clicked outside.</li><li>for both single / multi-select case, need javascript to update <code>summary</code> tag text when any option selected.</li><li>in case of single select, remove <code>open</code> attribute on <code>details</code> tag using javascript when an option is selected.</li></ul><footer class="code"><pre>
+    component, without JavaScript."><link rel="shortcut icon" href="https://picocss.com/favicon.ico"><link rel="stylesheet" href="../css/pico.min.css"><link rel="stylesheet" href="css/pico.docs.min.css"><link rel="canonical" href="https://www.picocss.com/docs/dropdown.html"></head><body><nav class="container-fluid"><ul><li><a href="https://picocss.com" aria-label="Back home"><svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" height="56px"><path fill="currentColor" d="M633.43 429.23c0 118.38-49.76 184.72-138.87 184.72-53 0-92.04-25.37-108.62-67.32h-2.6v203.12H250V249.7h133.67v64.72h2.28c17.24-43.9 55.3-69.92 107-69.92 90.4 0 140.48 66.02 140.48 184.73zm-136.6 0c0-49.76-22.1-81.96-56.9-81.96s-56.9 32.2-57.24 82.28c.33 50.4 22.1 81.63 57.24 81.63 35.12 0 56.9-31.87 56.9-81.95zM682.5 547.5c0-37.32 30.18-67.5 67.5-67.5s67.5 30.18 67.5 67.5S787.32 615 750 615s-67.5-30.18-67.5-67.5z"/></svg></a></li><li>Documentation</li></ul><ul><li><a href="https://picocss.com#examples" class="secondary">Examples</a></li><li><a href="./" class="secondary">Docs</a></li><li><a href="https://github.com/picocss/pico" class="contrast" aria-label="Pico GitHub repository"><svg aria-hidden="true" focusable="false" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512" height="16px"><path fill="currentColor" d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3.3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5.3-6.2 2.3zm44.2-1.7c-2.9.7-4.9 2.6-4.6 4.9.3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3.7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3.3 2.9 2.3 3.9 1.6 1 3.6.7 4.3-.7.7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3.7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3.7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"></path></svg></a></li></ul></nav><main class="container" id="docs"><aside><nav class="closed-on-mobile"><a href="./" class="secondary" id="toggle-docs-navigation"><svg xmlns="http://www.w3.org/2000/svg" class="expand" fill="currentColor" viewBox="0 0 16 16" height="16px"><title>Expand</title><path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zM7.646.146a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 1.707V5.5a.5.5 0 0 1-1 0V1.707L6.354 2.854a.5.5 0 1 1-.708-.708l2-2zM8 10a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 0 1 .708-.708L7.5 14.293V10.5A.5.5 0 0 1 8 10z"></path></svg> <svg xmlns="http://www.w3.org/2000/svg" class="collapse" fill="currentColor" viewBox="0 0 16 16" height="16px"><title>Collapse</title><path fill-rule="evenodd" d="M1 8a.5.5 0 0 1 .5-.5h13a.5.5 0 0 1 0 1h-13A.5.5 0 0 1 1 8zm7-8a.5.5 0 0 1 .5.5v3.793l1.146-1.147a.5.5 0 0 1 .708.708l-2 2a.5.5 0 0 1-.708 0l-2-2a.5.5 0 1 1 .708-.708L7.5 4.293V.5A.5.5 0 0 1 8 0zm-.5 11.707l-1.146 1.147a.5.5 0 0 1-.708-.708l2-2a.5.5 0 0 1 .708 0l2 2a.5.5 0 0 1-.708.708L8.5 11.707V15.5a.5.5 0 0 1-1 0v-3.793z"></path></svg> Table of content</a><details><summary>Getting started</summary><ul><li><a href="./" id="start-link" class="secondary">Usage</a></li><li><a href="./themes.html" id="themes-link" class="secondary">Themes</a></li><li><a href="./customization.html" id="customization-link" class="secondary">Customization</a></li><li><a href="./classless.html" id="classless-link" class="secondary">Class-less version</a></li><li><a href="./rtl.html" id="rtl-link" class="secondary">RTL</a></li></ul></details><details><summary>Layout</summary><ul><li><a href="./containers.html" id="containers-link" class="secondary">Containers</a></li><li><a href="./grid.html" id="grid-link" class="secondary">Grid</a></li><li><a href="./scroller.html" id="scroller-link" class="secondary">Horizontal scroller</a></li></ul></details><details><summary>Elements</summary><ul><li><a href="./typography.html" id="typography-link" class="secondary">Typography</a></li><li><a href="./buttons.html" id="buttons-link" class="secondary">Buttons</a></li><li><a href="./forms.html" id="forms-link" class="secondary">Forms</a></li><li><a href="./tables.html" id="tables-link" class="secondary">Tables</a></li></ul></details><details><summary>Components</summary><ul><li><a href="./accordions.html" id="accordions-link" class="secondary">Accordions</a></li><li><a href="./cards.html" id="cards-link" class="secondary">Cards</a></li><li><a href="./modal.html" id="modal-link" class="secondary">Modal</a></li><li><a href="./navs.html" id="navs-link" class="secondary">Navs</a></li><li><a href="./dropdown.html" id="dropdown-link" class="secondary">Dropdown</a></li><li><a href="./progress.html" id="progress-link" class="secondary">Progress</a></li></ul></details><details><summary>Utilities</summary><ul><li><a href="./loading.html" id="loading-link" class="secondary">Loading</a></li><li><a href="./tooltips.html" id="tooltips-link" class="secondary">Tooltips</a></li></ul></details><details><summary>Extend</summary><ul><li><a href="./we-love-classes.html" id="we-love-classes-link" class="secondary">We love .classes</a></li></ul></details></nav><script>const activeLink=document.querySelector("aside a#dropdown-link"),parentAccordion=activeLink.closest("details");activeLink.classList.add("active"),parentAccordion.setAttribute("open","true")</script></aside><div role="document"><section id="dropdown"><hgroup><h1>Dropdown</h1><h2>single / multi select dropdown, without JavaScript.</h2></hgroup><article aria-label="Dropdown examples"><details role="dropdown"><summary>Single select</summary><div><ul><li><input type="radio" id="01" name="option1"/> <label for="01">Option 1</label></li><li><input type="radio" id="02" name="option1"/> <label for="02">Option 2</label></li></ul></div></details><details role="dropdown"><summary>Multi-select</summary><div><ul><li><input type="checkbox" id="11" name="option2"/> <label for="11">Option 1</label></li><li><input type="checkbox" id="12" name="option2"/> <label for="12">Option 2</label></li></ul></div></details></article><label><strong>Usage notes</strong></label><ul><li>in order to use dropdown component, use <code>role='dropdown'</code> on details tag.</li><li>no need to use javascript to close the dropdown when clicked outside.</li><li>for both single / multi-select case, need javascript to update <code>summary</code> tag text when any option selected.</li><li>in case of single select, remove <code>open</code> attribute on <code>details</code> tag using javascript when an option is selected.</li></ul><footer class="code"><pre>
               <code>
                 <em>For Single-select</em>
                 <em>===============================</em>
diff --git a/docs/src/dropdown.html b/docs/src/dropdown.html
index 01af8b7c..2ea41687 100644
--- a/docs/src/dropdown.html
+++ b/docs/src/dropdown.html
@@ -2,7 +2,7 @@
 <html lang="en">
   <head>
     ${require('./_head.html') title="Dropdown" description="a dropdown
-    component, without JavaScript." canonical="dropdowns.html" }
+    component, without JavaScript." canonical="dropdown.html" }
   </head>
 
   <body>
