Update of version and colors

Signed-off-by: Cédric Foellmi <cedric@onekiloparsec.dev>

Author: onekiloparsec

docs/.vitepress/theme/custom.css

@@ -1,4 +1,35 @@
 :root {
-  --c-brand: #2398c8;
-  --c-brand-light: #7cd3f6;
-}
+  --vp-c-brand-1: #081c4d;
+  --vp-c-brand-2: #0b2462;
+  --vp-c-brand-3: #0e2d77;
+  --vp-c-brand-soft: rgba(8, 28, 77, 0.14);
+}
+
+.dark {
+  --vp-c-brand-1: #6ba6dc;
+  --vp-c-brand-2: #82b4e3;
+  --vp-c-brand-3: #528fc8;
+  --vp-c-brand-soft: rgba(107, 166, 220, 0.18);
+}
+
+.VPHomeHero .image-container {
+  width: 220px;
+  height: 220px;
+}
+
+.VPHomeHero .image-src {
+  max-width: 120px;
+  max-height: 120px;
+}
+
+@media (min-width: 640px) {
+  .VPHomeHero .image-container {
+    width: 260px;
+    height: 260px;
+  }
+
+  .VPHomeHero .image-src {
+    max-width: 120px;
+    max-height: 120px;
+  }
+}