style: 💄 updated Quarto theme (#228)

# Description

Updated the extension.

Needs a quick review.

## Checklist

- [x] Ran `just run-all`

Author: lwjohnst86

_extensions/seedcase-project/seedcase-theme/_brand.yml

@@ -16,7 +16,9 @@ color:
     logo-green: "#024639"
     dark-green: "#196440"
     vibrant-green: "#48DC76"
+    dark-grey: "#8B8B8B"
     light-grey: "#F8F9FA"
+    code-bg: "#E9ECEFA6"
   primary: dark-green
   tertiary: vibrant-green
   light: light-grey
@@ -43,7 +45,11 @@ typography:
 defaults:
   bootstrap:
     defaults:
-      mermaid-edge-color: "#8B8B8B"
+      mermaid-edge-color: var(--brand-dark-grey)
+      # Set code background colour variable so all inline code has the same colour
+      # including headers with inline code.
+      # This colour is the default background colour for inline code.
+      code-bg: var(--brand-code-bg)
     rules: |
       .cell-output pre code {
         white-space: pre-wrap;
@@ -76,6 +82,7 @@ defaults:
           font-size: 20px !important;
           font-weight: bold;
           padding: 5px 15px !important;
+          margin: 0px 10px 10px 10px;
       }
 
       .about-link:hover {
@@ -123,8 +130,8 @@ defaults:
           flex-direction: row;
       }
 
-      .hero-text>h2,
-      .landing-page-block>h2 {
+      .hero-text h2,
+      .landing-page-block h2 {
           margin-top: 0.5rem;
           border-bottom: none;
       }
@@ -151,3 +158,11 @@ defaults:
       .dropdown-item {
           font-weight: 300 !important;
       }
+
+      code {
+        color: $primary;
+      }
+
+      :is(h3, h4, h5, h6, dt) code {
+        font-weight: bold;
+      }

_extensions/seedcase-project/seedcase-theme/_extension.yml

@@ -1,6 +1,6 @@
 title: seedcase-theme
 author: Luke W. Johnston
-version: 0.4.1
+version: 0.6.3
 quarto-required: ">=1.7.0"
 contributes:
   formats:
@@ -20,7 +20,7 @@ contributes:
 
     website:
       page-navigation: true
-      favicon: favicon/favicon.ico
+      favicon: logos/seedcase/icon.svg
       repo-branch: main
       repo-actions: [edit, issue, source]
       search:
@@ -29,8 +29,6 @@ contributes:
       navbar:
         pinned: true
         background: light
-        logo: logos/navbar-logo-seedcase-project.svg
-        logo-alt: "Seedcase Project logo: Main page"
       page-footer:
         border: true
         center: