diff --git a/mu-plugins/fea-accesibilidad.php b/mu-plugins/fea-accesibilidad.php
index edce3c0..c1476d3 100644
--- a/mu-plugins/fea-accesibilidad.php
+++ b/mu-plugins/fea-accesibilidad.php
@@ -105,6 +105,23 @@ add_action('wp_head', function () {
         border-color: #3a3a3a;
     }
 
+    /* Search block uses more-specific own color rules. */
+    html[data-fea-theme="dark"] .wp-block-search__inside-wrapper,
+    html[data-fea-theme="dark"] .wp-block-search__input,
+    html[data-fea-theme="dark"] .wp-block-search__button {
+        background-color: #1c1c1c;
+        color: #ececec;
+        border-color: #3a3a3a;
+    }
+
+    /* Crop the white edge embedded in slide images in dark mode only. */
+    html[data-fea-theme="dark"] .fea-hero-slider .n2-ss-slide-background-image {
+        overflow: hidden;
+    }
+    html[data-fea-theme="dark"] .fea-hero-slider .n2-ss-slide-background-image img {
+        transform: scale(1.015);
+    }
+
     /* Portada — franja hero (fea-homepage.php) */
     html[data-fea-theme="dark"] .fea-hero-band {
         background: linear-gradient(180deg, #1a1512, #0d0d0d);