Fix styling of button and banner.

assets/scss/hugo_cookie_consent/style.scss

@@ -1,14 +1,16 @@
 #cookie-banner {
+  color: #E2E8F0;
+  background-color: #4A5568;
   position: fixed;
   top: 2.5rem;
   left: 50%;
   transform: translateX(-50%);
-  width: min(480px, calc(100vw - 2rem));
-  background: #fff;
+  width: calc(100vw - 2rem);
+  max-width: 480px;
   border: 1px solid #e2e2e2;
   border-radius: 12px;
   padding: 1rem 1.25rem;
-  box-shadow: 0 4px 24px rgba(0,0,0,.08);
+  box-shadow: 0 0 36px #111;
   display: flex;
   align-items: center;
   gap: 1rem;
@@ -34,6 +36,13 @@
 }
 
 #cookie-accept {
-  background: #0b913a; color: #fff; border-color: #1a1a1a;
+  background: #4A5E52; color: #fff; border-color: #1a1a1a;
 }
 
+#cookie-decline {
+  background: #2D3748; color: #fff; border-color: #1a1a1a;
+}
+
+#cookie-settings-button {
+  background: #272b2e; color: #fff; border-color: #1a1a1a;
+}

layouts/_shortcodes/hugo_cookie_consent/settings.html

@@ -7,6 +7,6 @@
     —
   </strong>
 </p>
-<button onclick="reopenCookieBanner()">
+<button id="cookie-settings-button" onclick="reopenCookieBanner()">
   {{ i18n "cookie_change" }}
 </button>