diff --git a/src/routes/dialog/Nested.svelte b/src/routes/dialog/Nested.svelte
new file mode 100644
index 0000000..bda650f
--- /dev/null
+++ b/src/routes/dialog/Nested.svelte
@@ -0,0 +1,40 @@
+<script lang="ts">
+  import Dialog from "$lib/components/dialog/Dialog.svelte";
+  import DialogOverlay from "$lib/components/dialog/DialogOverlay.svelte";
+
+  let showChild = false;
+  export let level = 0;
+</script>
+
+<Dialog open={true} on:close class="fixed z-10 inset-0">
+  <DialogOverlay class="fixed inset-0 bg-gray-500 opacity-25" />
+  <div
+    class="z-10 fixed left-12 top-24 bg-white w-96 p-4 transform"
+    style={`translate(calc(50px * ${level}), calc(50px * ${level}))`}
+  >
+    <p>Level: {level}</p>
+    <div class="space-x-4">
+      <button
+        class="bg-gray-200 px-2 py-1 rounded"
+        onClick={() => (showChild = true)}
+      >
+        Open (1)
+      </button>
+      <button
+        class="bg-gray-200 px-2 py-1 rounded"
+        onClick={() => (showChild = true)}
+      >
+        Open (2)
+      </button>
+      <button
+        class="bg-gray-200 px-2 py-1 rounded"
+        onClick={() => (showChild = true)}
+      >
+        Open (3)
+      </button>
+    </div>
+  </div>
+  {#if showChild}
+    <svelte:self on:close={() => (showChild = false)} level={level + 1} />
+  {/if}
+</Dialog>
diff --git a/src/routes/dialog/index.svelte b/src/routes/dialog/index.svelte
new file mode 100644
index 0000000..4a57177
--- /dev/null
+++ b/src/routes/dialog/index.svelte
@@ -0,0 +1,227 @@
+<script lang="ts">
+  import Nested from "./Nested.svelte";
+  import TransitionRoot from "$lib/components/transitions/TransitionRoot.svelte";
+  import Dialog from "$lib/components/dialog/Dialog.svelte";
+  import TransitionChild from "$lib/components/transitions/TransitionChild.svelte";
+  import DialogOverlay from "$lib/components/dialog/DialogOverlay.svelte";
+  import DialogTitle from "$lib/components/dialog/DialogTitle.svelte";
+  import Menu from "$lib/components/menu/Menu.svelte";
+  import MenuButton from "$lib/components/menu/MenuButton.svelte";
+  import Portal from "$lib/components/portal/Portal.svelte";
+  import MenuItems from "$lib/components/menu/MenuItems.svelte";
+  import MenuItem from "$lib/components/menu/MenuItem.svelte";
+  function classNames(...classes) {
+    return classes.filter(Boolean).join(" ");
+  }
+
+  function resolveClass({ active, disabled }) {
+    return classNames(
+      "flex justify-between w-full px-4 py-2 text-sm leading-5 text-left",
+      active ? "bg-gray-100 text-gray-900" : "text-gray-700",
+      disabled && "cursor-not-allowed opacity-50"
+    );
+  }
+
+  let isOpen = false;
+  let nested = false;
+</script>
+
+<button
+  type="button"
+  on:click={() => (isOpen = !isOpen)}
+  class="m-12 px-4 py-2 text-base font-medium leading-6 text-gray-700 transition duration-150 ease-in-out bg-white border border-gray-300 rounded-md shadow-sm hover:text-gray-500 focus:outline-none focus:border-blue-300 focus:shadow-outline-blue sm:text-sm sm:leading-5"
+>
+  Toggle!
+</button>
+
+<button on:click={() => (nested = true)}>Show nested</button>
+{#if nested}
+  <Nested on:close={() => (nested = false)} />
+{/if}
+<TransitionRoot show={isOpen} afterLeave={() => console.log("done")}>
+  <Dialog on:close={() => (isOpen = false)} open={isOpen}>
+    <div class="fixed z-10 inset-0 overflow-y-auto">
+      <div
+        class="flex items-end justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0"
+      >
+        <TransitionChild
+          enter="ease-out duration-300"
+          enterFrom="opacity-0"
+          enterTo="opacity-75"
+          leave="ease-in duration-200"
+          leaveFrom="opacity-75"
+          leaveTo="opacity-0"
+          entered="opacity-75"
+        >
+          <DialogOverlay class="fixed inset-0 bg-gray-500 transition-opacity" />
+        </TransitionChild>
+
+        <TransitionChild
+          enter="ease-out transform duration-300"
+          enterFrom="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
+          enterTo="opacity-100 translate-y-0 sm:scale-100"
+          leave="ease-in transform duration-200"
+          leaveFrom="opacity-100 translate-y-0 sm:scale-100"
+          leaveTo="opacity-0 translate-y-4 sm:translate-y-0 sm:scale-95"
+        >
+          <!-- This element is to trick the browser into centering the modal contents. -->
+          <span
+            class="hidden sm:inline-block sm:align-middle sm:h-screen"
+            aria-hidden="true"
+          >
+            &#8203;
+          </span>
+          <div
+            class="inline-block align-bottom bg-white rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full"
+          >
+            <div class="bg-white px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
+              <div class="sm:flex sm:items-start">
+                <div
+                  class="mx-auto flex-shrink-0 flex items-center justify-center h-12 w-12 rounded-full bg-red-100 sm:mx-0 sm:h-10 sm:w-10"
+                >
+                  <!-- Heroicon name: exclamation -->
+                  <svg
+                    class="h-6 w-6 text-red-600"
+                    xmlns="http://www.w3.org/2000/svg"
+                    fill="none"
+                    viewBox="0 0 24 24"
+                    stroke="currentColor"
+                    aria-hidden="true"
+                  >
+                    <path
+                      stroke-linecap="round"
+                      stroke-linejoin="round"
+                      stroke-width={2}
+                      d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"
+                    />
+                  </svg>
+                </div>
+                <div class="mt-3 text-center sm:mt-0 sm:ml-4 sm:text-left">
+                  <DialogTitle
+                    as="h3"
+                    class="text-lg leading-6 font-medium text-gray-900"
+                  >
+                    Deactivate account
+                  </DialogTitle>
+                  <div class="mt-2">
+                    <p class="text-sm text-gray-500">
+                      Are you sure you want to deactivate your account? All of
+                      your data will be permanently removed. This action cannot
+                      be undone.
+                    </p>
+                    <div class="relative inline-block text-left mt-10">
+                      <Menu>
+                        <span class="rounded-md shadow-sm">
+                          <MenuButton
+                            class="inline-flex justify-center w-full px-4 py-2 text-sm font-medium leading-5 text-gray-700 transition duration-150 ease-in-out bg-white border border-gray-300 rounded-md hover:text-gray-500 focus:outline-none focus:border-blue-300 focus:shadow-outline-blue active:bg-gray-50 active:text-gray-800"
+                          >
+                            <span>Choose a reason</span>
+                            <svg
+                              class="w-5 h-5 ml-2 -mr-1"
+                              viewBox="0 0 20 20"
+                              fill="currentColor"
+                            >
+                              <path
+                                fill-rule="evenodd"
+                                d="M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z"
+                                clip-rule="evenodd"
+                              />
+                            </svg>
+                          </MenuButton>
+                        </span>
+
+                        <TransitionChild
+                          enter="transition duration-300 ease-out"
+                          enterFrom="transform scale-95 opacity-0"
+                          enterTo="transform scale-100 opacity-100"
+                          leave="transition duration-75 ease-out"
+                          leaveFrom="transform scale-100 opacity-100"
+                          leaveTo="transform scale-95 opacity-0"
+                        >
+                          <Portal>
+                            <MenuItems
+                              class="z-20 w-56 mt-2 origin-top-right bg-white border border-gray-200 divide-y divide-gray-100 rounded-md shadow-lg outline-none"
+                            >
+                              <div class="px-4 py-3">
+                                <p class="text-sm leading-5">Signed in as</p>
+                                <p
+                                  class="text-sm font-medium leading-5 text-gray-900 truncate"
+                                >
+                                  tom@example.com
+                                </p>
+                              </div>
+
+                              <div class="py-1">
+                                <MenuItem
+                                  as="a"
+                                  href="#account-settings"
+                                  class={resolveClass}
+                                >
+                                  Account settings
+                                </MenuItem>
+                                <MenuItem
+                                  as="a"
+                                  href="#support"
+                                  class={resolveClass}
+                                >
+                                  Support
+                                </MenuItem>
+                                <MenuItem
+                                  as="a"
+                                  disabled
+                                  href="#new-feature"
+                                  class={resolveClass}
+                                >
+                                  New feature (soon)
+                                </MenuItem>
+                                <MenuItem
+                                  as="a"
+                                  href="#license"
+                                  class={resolveClass}
+                                >
+                                  License
+                                </MenuItem>
+                              </div>
+
+                              <div class="py-1">
+                                <MenuItem
+                                  as="a"
+                                  href="#sign-out"
+                                  class={resolveClass}
+                                >
+                                  Sign out
+                                </MenuItem>
+                              </div>
+                            </MenuItems>
+                          </Portal>
+                        </TransitionChild>
+                      </Menu>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+            <div
+              class="bg-gray-50 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse"
+            >
+              <button
+                type="button"
+                on:click={() => (isOpen = false)}
+                class="w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-red-600 text-base font-medium text-white hover:bg-red-700 focus:outline-none focus:shadow-outline-red sm:ml-3 sm:w-auto sm:text-sm"
+              >
+                Deactivate
+              </button>
+              <button
+                type="button"
+                on:click={() => (isOpen = false)}
+                class="mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-base font-medium text-gray-700 hover:text-gray-500 focus:outline-none focus:shadow-outline-indigo sm:mt-0 sm:w-auto sm:text-sm"
+              >
+                Cancel
+              </button>
+            </div>
+          </div>
+        </TransitionChild>
+      </div>
+    </div>
+  </Dialog>
+</TransitionRoot>