diff --git a/src/components/Actions.tsx b/src/components/Actions.tsx
index e7ced60c..63d2ce03 100644
--- a/src/components/Actions.tsx
+++ b/src/components/Actions.tsx
@@ -151,23 +151,14 @@ export const SelectedShapeActions = ({
   );
 };
 
-const LIBRARY_ICON = (
-  // fa-th-large
-  <svg viewBox="0 0 512 512">
-    <path d="M296 32h192c13.255 0 24 10.745 24 24v160c0 13.255-10.745 24-24 24H296c-13.255 0-24-10.745-24-24V56c0-13.255 10.745-24 24-24zm-80 0H24C10.745 32 0 42.745 0 56v160c0 13.255 10.745 24 24 24h192c13.255 0 24-10.745 24-24V56c0-13.255-10.745-24-24-24zM0 296v160c0 13.255 10.745 24 24 24h192c13.255 0 24-10.745 24-24V296c0-13.255-10.745-24-24-24H24c-13.255 0-24 10.745-24 24zm296 184h192c13.255 0 24-10.745 24-24V296c0-13.255-10.745-24-24-24H296c-13.255 0-24 10.745-24 24v160c0 13.255 10.745 24 24 24z" />
-  </svg>
-);
-
 export const ShapesSwitcher = ({
   canvas,
   elementType,
   setAppState,
-  isLibraryOpen,
 }: {
   canvas: HTMLCanvasElement | null;
   elementType: ExcalidrawElement["type"];
   setAppState: React.Component<any, AppState>["setState"];
-  isLibraryOpen: boolean;
 }) => (
   <>
     {SHAPES.map(({ value, icon, key }, index) => {
@@ -201,19 +192,6 @@ export const ShapesSwitcher = ({
         />
       );
     })}
-    <ToolButton
-      className="Shape ToolIcon_type_button__library"
-      type="button"
-      icon={LIBRARY_ICON}
-      name="editor-library"
-      keyBindingLabel="9"
-      aria-keyshortcuts="9"
-      title={`${capitalizeString(t("toolBar.library"))} — 9`}
-      aria-label={capitalizeString(t("toolBar.library"))}
-      onClick={() => {
-        setAppState({ isLibraryOpen: !isLibraryOpen });
-      }}
-    />
   </>
 );
 
diff --git a/src/components/LayerUI.tsx b/src/components/LayerUI.tsx
index dc245fc2..2fe07896 100644
--- a/src/components/LayerUI.tsx
+++ b/src/components/LayerUI.tsx
@@ -36,7 +36,7 @@ import { Island } from "./Island";
 import "./LayerUI.scss";
 import { LibraryUnit } from "./LibraryUnit";
 import { LoadingMessage } from "./LoadingMessage";
-import { LockIcon } from "./LockIcon";
+import { LockButton } from "./LockButton";
 import { MobileMenu } from "./MobileMenu";
 import { PasteChartDialog } from "./PasteChartDialog";
 import { Section } from "./Section";
@@ -47,6 +47,7 @@ import { Tooltip } from "./Tooltip";
 import { UserList } from "./UserList";
 import Library from "../data/library";
 import { JSONExportDialog } from "./JSONExportDialog";
+import { LibraryButton } from "./LibraryButton";
 
 interface LayerUIProps {
   actionManager: ActionManager;
@@ -570,6 +571,12 @@ const LayerUI = ({
               {(heading) => (
                 <Stack.Col gap={4} align="start">
                   <Stack.Row gap={1}>
+                    <LockButton
+                      zenModeEnabled={zenModeEnabled}
+                      checked={appState.elementLocked}
+                      onChange={onLockToggle}
+                      title={t("toolBar.lock")}
+                    />
                     <Island
                       padding={1}
                       className={clsx({ "zen-mode": zenModeEnabled })}
@@ -581,15 +588,12 @@ const LayerUI = ({
                           canvas={canvas}
                           elementType={appState.elementType}
                           setAppState={setAppState}
-                          isLibraryOpen={appState.isLibraryOpen}
                         />
                       </Stack.Row>
                     </Island>
-                    <LockIcon
-                      zenModeEnabled={zenModeEnabled}
-                      checked={appState.elementLocked}
-                      onChange={onLockToggle}
-                      title={t("toolBar.lock")}
+                    <LibraryButton
+                      appState={appState}
+                      setAppState={setAppState}
                     />
                   </Stack.Row>
                   {libraryMenu}
diff --git a/src/components/LibraryButton.tsx b/src/components/LibraryButton.tsx
new file mode 100644
index 00000000..570f61a9
--- /dev/null
+++ b/src/components/LibraryButton.tsx
@@ -0,0 +1,45 @@
+import clsx from "clsx";
+import { t } from "../i18n";
+import { AppState } from "../types";
+import { capitalizeString } from "../utils";
+
+const LIBRARY_ICON = (
+  <svg viewBox="0 0 576 512">
+    <path
+      fill="currentColor"
+      d="M542.22 32.05c-54.8 3.11-163.72 14.43-230.96 55.59-4.64 2.84-7.27 7.89-7.27 13.17v363.87c0 11.55 12.63 18.85 23.28 13.49 69.18-34.82 169.23-44.32 218.7-46.92 16.89-.89 30.02-14.43 30.02-30.66V62.75c.01-17.71-15.35-31.74-33.77-30.7zM264.73 87.64C197.5 46.48 88.58 35.17 33.78 32.05 15.36 31.01 0 45.04 0 62.75V400.6c0 16.24 13.13 29.78 30.02 30.66 49.49 2.6 149.59 12.11 218.77 46.95 10.62 5.35 23.21-1.94 23.21-13.46V100.63c0-5.29-2.62-10.14-7.27-12.99z"
+    ></path>
+  </svg>
+);
+
+export const LibraryButton: React.FC<{
+  appState: AppState;
+  setAppState: React.Component<any, AppState>["setState"];
+}> = ({ appState, setAppState }) => {
+  return (
+    <label
+      className={clsx(
+        "ToolIcon ToolIcon_type_floating ToolIcon__library zen-mode-visibility",
+        `ToolIcon_size_m`,
+        {
+          "zen-mode-visibility--hidden": appState.zenModeEnabled,
+        },
+      )}
+      title={`${capitalizeString(t("toolBar.library"))} — 9`}
+      style={{ marginInlineStart: "var(--space-factor)" }}
+    >
+      <input
+        className="ToolIcon_type_checkbox"
+        type="checkbox"
+        name="editor-library"
+        onChange={(event) => {
+          setAppState({ isLibraryOpen: event.target.checked });
+        }}
+        checked={appState.isLibraryOpen}
+        aria-label={capitalizeString(t("toolBar.library"))}
+        aria-keyshortcuts="9"
+      />
+      <div className="ToolIcon__icon">{LIBRARY_ICON}</div>
+    </label>
+  );
+};
diff --git a/src/components/LockIcon.tsx b/src/components/LockButton.tsx
similarity index 93%
rename from src/components/LockIcon.tsx
rename to src/components/LockButton.tsx
index eaae9aa9..e4691fad 100644
--- a/src/components/LockIcon.tsx
+++ b/src/components/LockButton.tsx
@@ -10,7 +10,6 @@ type LockIconProps = {
   name?: string;
   checked: boolean;
   onChange?(): void;
-  size?: LockIconSize;
   zenModeEnabled?: boolean;
 };
 
@@ -40,12 +39,12 @@ const ICONS = {
   ),
 };
 
-export const LockIcon = (props: LockIconProps) => {
+export const LockButton = (props: LockIconProps) => {
   return (
     <label
       className={clsx(
         "ToolIcon ToolIcon__lock ToolIcon_type_floating zen-mode-visibility",
-        `ToolIcon_size_${props.size || DEFAULT_SIZE}`,
+        `ToolIcon_size_${DEFAULT_SIZE}`,
         {
           "zen-mode-visibility--hidden": props.zenModeEnabled,
         },
diff --git a/src/components/MobileMenu.tsx b/src/components/MobileMenu.tsx
index 6c62f68d..a8e0e889 100644
--- a/src/components/MobileMenu.tsx
+++ b/src/components/MobileMenu.tsx
@@ -13,9 +13,10 @@ import { SelectedShapeActions, ShapesSwitcher } from "./Actions";
 import { Section } from "./Section";
 import CollabButton from "./CollabButton";
 import { SCROLLBAR_WIDTH, SCROLLBAR_MARGIN } from "../scene/scrollbars";
-import { LockIcon } from "./LockIcon";
+import { LockButton } from "./LockButton";
 import { UserList } from "./UserList";
 import { BackgroundPickerAndDarkModeToggle } from "./BackgroundPickerAndDarkModeToggle";
+import { LibraryButton } from "./LibraryButton";
 
 type MobileMenuProps = {
   appState: AppState;
@@ -64,15 +65,15 @@ export const MobileMenu = ({
                       canvas={canvas}
                       elementType={appState.elementType}
                       setAppState={setAppState}
-                      isLibraryOpen={appState.isLibraryOpen}
                     />
                   </Stack.Row>
                 </Island>
-                <LockIcon
+                <LockButton
                   checked={appState.elementLocked}
                   onChange={onLockToggle}
                   title={t("toolBar.lock")}
                 />
+                <LibraryButton appState={appState} setAppState={setAppState} />
               </Stack.Row>
               {libraryMenu}
             </Stack.Col>
diff --git a/src/components/ToolIcon.scss b/src/components/ToolIcon.scss
index faecf65f..5aa90395 100644
--- a/src/components/ToolIcon.scss
+++ b/src/components/ToolIcon.scss
@@ -8,10 +8,18 @@
     position: relative;
     font-family: Cascadia;
     cursor: pointer;
-    background-color: var(--button-gray-1);
     -webkit-tap-highlight-color: transparent;
     border-radius: var(--space-factor);
     user-select: none;
+
+    background-color: var(--button-gray-1);
+
+    &:hover {
+      background-color: var(--button-gray-2);
+    }
+    &:active {
+      background-color: var(--button-gray-3);
+    }
   }
 
   .ToolIcon--plain {
@@ -66,14 +74,6 @@
     margin: 0;
     font-size: inherit;
 
-    &:hover {
-      background-color: var(--button-gray-1);
-    }
-
-    &:active {
-      background-color: var(--button-gray-2);
-    }
-
     &:focus {
       box-shadow: 0 0 0 2px var(--focus-highlight-color);
     }
@@ -86,6 +86,14 @@
       }
     }
 
+    &:hover {
+      background-color: var(--button-gray-2);
+    }
+
+    &:active {
+      background-color: var(--button-gray-3);
+    }
+
     &--show {
       visibility: visible;
     }
@@ -103,6 +111,9 @@
 
     &:not(.ToolIcon_toggle_opaque):checked + .ToolIcon__icon {
       background-color: var(--button-gray-2);
+      &:active {
+        background-color: var(--button-gray-3);
+      }
     }
 
     &:focus + .ToolIcon__icon {
@@ -130,12 +141,21 @@
     }
 
     .ToolIcon__icon {
+      background-color: var(--button-gray-1);
+      &:hover {
+        background-color: var(--button-gray-2);
+      }
+      &:active {
+        background-color: var(--button-gray-3);
+      }
+
       width: 2rem;
       height: 2em;
     }
   }
 
   .ToolIcon.ToolIcon__lock {
+    margin-inline-end: var(--space-factor);
     &.ToolIcon_type_floating {
       margin-left: 0.1rem;
     }
@@ -166,10 +186,9 @@
   // move the lock button out of the way on small viewports
   // it begins to collide with the GitHub icon before we switch to mobile mode
   @media (max-width: 760px) {
-    .ToolIcon.ToolIcon__lock {
+    .ToolIcon.ToolIcon_type_floating {
       display: inline-block;
       position: absolute;
-      top: 60px;
       right: -8px;
 
       margin-left: 0;
@@ -194,6 +213,14 @@
         position: static;
       }
     }
+    .ToolIcon.ToolIcon__library {
+      top: 100px;
+    }
+
+    .ToolIcon.ToolIcon__lock {
+      margin-inline-end: 0;
+      top: 60px;
+    }
   }
 
   .unlocked-icon {