diff --git a/assets/js/src/assets/bulb-off.svg b/assets/js/src/assets/bulb-off.svg
index 929ef440..2c48664b 100644
--- a/assets/js/src/assets/bulb-off.svg
+++ b/assets/js/src/assets/bulb-off.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 35"><g fill="none"><path d="M22 11.06c0 6.44-5 7.44-5 13.44 0 3.1-3.12 3.36-5.5 3.36-2.05 0-6.59-.78-6.59-3.36 0-6-4.91-7-4.91-13.44C0 5.03 5.29.14 11.08.14 16.88.14 22 5.03 22 11.06z" fill="#CCCBCB"/><path d="M15.17 32.5c0 .83-2.24 2.5-4.17 2.5-1.93 0-4.17-1.67-4.17-2.5 0-.83 2.24-.5 4.17-.5 1.93 0 4.17-.33 4.17.5z" fill="#CCD6DD"/><path d="M15.7 10.3a1 1 0 0 0-1.4 0L11 13.58l-3.3-3.3a1 1 0 1 0-1.4 1.42l3.7 3.7V26a1 1 0 1 0 2 0V15.41l3.7-3.7a1 1 0 0 0 0-1.42z" fill="#7D7A72"/><path d="M17 31a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2v-6h12v6z" fill="#99AAB5"/><path d="M5 32a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 32zm0-4a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 28z" fill="#CCD6DD"/></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 35"><path d="M22 11.06c0 6.44-5 7.44-5 13.44 0 3.1-3.12 3.36-5.5 3.36-2.05 0-6.59-.78-6.59-3.36 0-6-4.91-7-4.91-13.44C0 5.03 5.29.14 11.08.14 16.88.14 22 5.03 22 11.06z" fill="#CCCBCB"/><path d="M15.17 32.5c0 .83-2.24 2.5-4.17 2.5-1.93 0-4.17-1.67-4.17-2.5 0-.83 2.24-.5 4.17-.5 1.93 0 4.17-.33 4.17.5z" fill="#CCD6DD"/><path d="M15.7 10.3a1 1 0 0 0-1.4 0L11 13.58l-3.3-3.3a1 1 0 1 0-1.4 1.42l3.7 3.7V26a1 1 0 1 0 2 0V15.41l3.7-3.7a1 1 0 0 0 0-1.42z" fill="#7D7A72"/><path d="M17 31a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2v-6h12v6z" fill="#99AAB5"/><path d="M5 32a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 32zm0-4a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 28z" fill="#CCD6DD"/></svg>
diff --git a/assets/js/src/assets/bulb-on.svg b/assets/js/src/assets/bulb-on.svg
index 551fba75..eea57264 100644
--- a/assets/js/src/assets/bulb-on.svg
+++ b/assets/js/src/assets/bulb-on.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 35"><g fill="none"><path d="M22 11.06c0 6.44-5 7.44-5 13.44 0 3.1-3.12 3.36-5.5 3.36-2.05 0-6.59-.78-6.59-3.36 0-6-4.91-7-4.91-13.44C0 5.03 5.29.14 11.08.14 16.88.14 22 5.03 22 11.06z" fill="#FFD983"/><path d="M15.17 32.5c0 .83-2.24 2.5-4.17 2.5-1.93 0-4.17-1.67-4.17-2.5 0-.83 2.24-.5 4.17-.5 1.93 0 4.17-.33 4.17.5z" fill="#B9C9D9"/><path d="M15.7 10.3a1 1 0 0 0-1.4 0L11 13.58l-3.3-3.3a1 1 0 1 0-1.4 1.42l3.7 3.7V26a1 1 0 1 0 2 0V15.41l3.7-3.7a1 1 0 0 0 0-1.42z" fill="#FFCC4D"/><path d="M17 31a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2v-6h12v6z" fill="#99AAB5"/><path d="M5 32a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 32zm0-4a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 28z" fill="#CCD6DD"/></g></svg>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 35"><path d="M22 11.06c0 6.44-5 7.44-5 13.44 0 3.1-3.12 3.36-5.5 3.36-2.05 0-6.59-.78-6.59-3.36 0-6-4.91-7-4.91-13.44C0 5.03 5.29.14 11.08.14 16.88.14 22 5.03 22 11.06z" fill="#FFD983"/><path d="M15.17 32.5c0 .83-2.24 2.5-4.17 2.5-1.93 0-4.17-1.67-4.17-2.5 0-.83 2.24-.5 4.17-.5 1.93 0 4.17-.33 4.17.5z" fill="#B9C9D9"/><path d="M15.7 10.3a1 1 0 0 0-1.4 0L11 13.58l-3.3-3.3a1 1 0 1 0-1.4 1.42l3.7 3.7V26a1 1 0 1 0 2 0V15.41l3.7-3.7a1 1 0 0 0 0-1.42z" fill="#FFCC4D"/><path d="M17 31a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2v-6h12v6z" fill="#99AAB5"/><path d="M5 32a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 32zm0-4a1 1 0 0 1-.16-1.99l12-2a1 1 0 1 1 .33 1.97l-12 2A.93.93 0 0 1 5 28z" fill="#CCD6DD"/></svg>
diff --git a/assets/js/src/assets/send.svg b/assets/js/src/assets/send.svg
new file mode 100644
index 00000000..d2b4d36e
--- /dev/null
+++ b/assets/js/src/assets/send.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 36 36"><path fill="#D99E82" d="M36 32a4 4 0 0 1-4 4H4a4 4 0 0 1-4-4v-9c0-2.209.791-3 3-3h30c2.209 0 3 .791 3 3v9z"></path><path fill="#662113" d="M25 20a7 7 0 1 1-14 0h14z"></path><path fill="#C1694F" d="M4 36h28a4 4 0 0 0 4-4H0a4 4 0 0 0 4 4z"></path><path fill="#DD2E44" d="M27.435 8.511 19.572.648a2.23 2.23 0 0 0-3.145 0L8.564 8.511C7.7 9.377 7.993 10 9.216 10H14v6a2 2 0 0 0 2 2h4a2 2 0 0 0 2-2v-6h4.784c1.223 0 1.516-.623.651-1.489z"></path></svg>
diff --git a/assets/js/src/components/ContactForm.js b/assets/js/src/components/ContactForm.js
index d48c9cb4..f5c62dee 100644
--- a/assets/js/src/components/ContactForm.js
+++ b/assets/js/src/components/ContactForm.js
@@ -6,7 +6,7 @@ import { isDark } from "../utils/theme.js";
 // react components:
 import HCaptcha from "@hcaptcha/react-hcaptcha";
 import { CheckIcon, XIcon } from "@primer/octicons-react";
-import SendEmoji from "twemoji-emojis/vendor/svg/1f4e4.svg";
+import SendIcon from "../assets/send.svg";
 
 const ContactForm = () => {
   // status/feedback:
@@ -134,7 +134,7 @@ const ContactForm = () => {
             <span>Sending...</span>
           ) : (
             <>
-              <SendEmoji class="emoji" /> <span>Send</span>
+              <SendIcon class="emoji" /> <span>Send</span>
             </>
           )}
         </button>
diff --git a/assets/sass/components/_header.scss b/assets/sass/components/_header.scss
index 860c0832..a9fabfad 100644
--- a/assets/sass/components/_header.scss
+++ b/assets/sass/components/_header.scss
@@ -96,6 +96,7 @@ header {
 
           span {
             &.header-menu-icon {
+              width: 1.3em;
               font-size: 1.3em;
               user-select: none;
             }
@@ -111,6 +112,7 @@ header {
 
         // Dark mode toggle
         &.theme-toggle {
+          width: 1.3em;
           margin-left: 1.4em;
 
           button {
@@ -178,6 +180,7 @@ header {
 
           // Dark mode toggle
           &.theme-toggle {
+            width: 0.9em;
             margin-left: 1em;
 
             button {