diff --git a/.github/workflows/check_prettier.yml b/.github/workflows/check_prettier.yml
index 75782d32..ccd039c7 100644
--- a/.github/workflows/check_prettier.yml
+++ b/.github/workflows/check_prettier.yml
@@ -2,9 +2,9 @@ name: Check Prettier has been run
 
 on:
   push:
-    branches: [master]
+    branches: [main]
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   prettier:
diff --git a/css/calendar.scss b/css/calendar.scss
index 2d5713ad..b53752a6 100644
--- a/css/calendar.scss
+++ b/css/calendar.scss
@@ -46,7 +46,12 @@ $TeX-Purple: #9d68dc;
   margin-bottom: 10px;
   display: none;
 
-  h1, h2, h3, h4, h5, h6,
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6,
   li,
   p {
     color: black;
diff --git a/css/main.scss b/css/main.scss
index 2d530afe..402b0015 100644
--- a/css/main.scss
+++ b/css/main.scss
@@ -43,9 +43,9 @@ body {
 
 .xmas-banner {
   background-color: #035443;
-  
+
   * {
-    color: #E9E2D2;
+    color: #e9e2d2;
   }
 }
 
diff --git a/css/sponsor.scss b/css/sponsor.scss
index 5c3cde33..c0c511a5 100644
--- a/css/sponsor.scss
+++ b/css/sponsor.scss
@@ -172,5 +172,5 @@ td:nth-child(4) {
   gap: 20px;
   grid-auto-flow: column;
   width: 100%;
-  margin: 0 30px 30px 0
+  margin: 0 30px 30px 0;
 }
diff --git a/css/type.scss b/css/type.scss
index b715a97b..71988695 100644
--- a/css/type.scss
+++ b/css/type.scss
@@ -75,65 +75,80 @@ pre.ascii {
       font-weight: inherit;
     }
   }
-  
+
   &.tdov {
-    .d1,.d2,.d11,.d12 {
+    .d1,
+    .d2,
+    .d11,
+    .d12 {
       i {
-        color: #5BCEFA !important;
+        color: #5bcefa !important;
       }
     }
 
-    .d3,.d4,.d9,.d10 {
+    .d3,
+    .d4,
+    .d9,
+    .d10 {
       i {
-        color: #F5A9B8 !important;
+        color: #f5a9b8 !important;
       }
     }
 
-    .d5,.d6,.d7,.d8 {
+    .d5,
+    .d6,
+    .d7,
+    .d8 {
       i {
-        color: #FFFFFF !important;
+        color: #ffffff !important;
       }
     }
   }
 
   &.pride {
-    .d1,.d2 {
+    .d1,
+    .d2 {
       i {
-        color: #FF5755 !important;
+        color: #ff5755 !important;
       }
     }
 
-    .d3,.d4 {
+    .d3,
+    .d4 {
       i {
-        color: #FF924C !important;
+        color: #ff924c !important;
       }
     }
-    
-    .d5,.d6 {
+
+    .d5,
+    .d6 {
       i {
-        color: #FFEE58 !important;
+        color: #ffee58 !important;
       }
     }
 
-    .d7,.d8 {
+    .d7,
+    .d8 {
       i {
-        color: #81E056 !important;
+        color: #81e056 !important;
       }
     }
 
-    .d9,.d10 {
+    .d9,
+    .d10 {
       i {
-        color: #5272FE !important;
+        color: #5272fe !important;
       }
     }
 
-    .d11,.d12 {
+    .d11,
+    .d12 {
       i {
-        color: #9253FF !important;
+        color: #9253ff !important;
       }
     }
   }
-  
+
   &.christmas {
     [c="_"],
     [c="$"] {
diff --git a/js/calendar.js b/js/calendar.js
index 195cc538..222a4309 100644
--- a/js/calendar.js
+++ b/js/calendar.js
@@ -305,9 +305,26 @@ function parseHTML(html, otherValidTags = null, otherValidProperties = null) {
   }
 
   const validTags = [
-    "a", "b", "br", "code", "em", "i", "p", "span", "strong", "sup", "u",
-    "h1", "h2", "h3", "h4", "h5", "h6",
-    "ul", "ol", "li",
+    "a",
+    "b",
+    "br",
+    "code",
+    "em",
+    "i",
+    "p",
+    "span",
+    "strong",
+    "sup",
+    "u",
+    "h1",
+    "h2",
+    "h3",
+    "h4",
+    "h5",
+    "h6",
+    "ul",
+    "ol",
+    "li",
   ];
   const validProperties = new Map([["a", ["href"]]]);
   html = sanitizeTags(
diff --git a/js/colourOverride.js b/js/colourOverride.js
index 5449711e..8e0333bf 100644
--- a/js/colourOverride.js
+++ b/js/colourOverride.js
@@ -4,25 +4,25 @@
  *            31st March: Trans Day of Visibility ("tdov")
  *         Month of June: Pride ("pride")
  * 18th December onwards: Christmas ("christmas")
- * 
+ *
  * Classes are defined in:
  *  css/type.scss
  */
 document.addEventListener("DOMContentLoaded", () => {
   let asciiElement = document.getElementsByClassName("ascii")[0];
-  
+
   if (!asciiElement) {
     return;
   }
-    
+
   const currentDate = new Date();
 
-  // 31st March 
+  // 31st March
   if (currentDate.getMonth() === 2 && currentDate.getDate() === 31) {
     asciiElement.classList.add("tdov");
   }
 
-  // June 
+  // June
   if (currentDate.getMonth() === 5) {
     asciiElement.classList.add("pride");
   }
@@ -31,4 +31,4 @@ document.addEventListener("DOMContentLoaded", () => {
   if (currentDate.getMonth() === 11 && currentDate.getDate() >= 18) {
     asciiElement.classList.add("christmas");
   }
-});
\ No newline at end of file
+});