Update kapa.css

Author: Andriciuc

docs/css/kapa.css

@@ -13,8 +13,8 @@ button#ask-percona-ai {
     border: none;
     border-radius: 0.1rem;
 
-    background: #AB4213;
-    color: #E7C8BB;
+    background: #05469F;
+    color: #B8C8E2;
 
     box-shadow: var(--md-shadow-z1);
 
@@ -33,14 +33,14 @@ button#ask-percona-ai {
 }
 
 button#ask-percona-ai:hover {
-    background: #EB6F3B;
+    background: #2E73DC;
 }
 
 button#ask-percona-ai:focus-visible {
     outline: none;
     box-shadow:
-        0 0 0 0.1rem rgba(235, 111, 59, 0.35),
-        var(--md-shadow-z2);
+        0 0 0 0.1rem rgba(46, 115, 220, 0.35),
+    var(--md-shadow-z2);
 }
 
 button#ask-percona-ai .percona-star,