feat(main): Small adjustments

Css adjustments for certain blocks; module instructions compliance

views/css/front/customhtml.css

@@ -1,10 +1,12 @@
+/* Banners */
 .customhtml-block img {
     max-width: 100%;
     height: auto;
 }
-
 .customhtml-banner-content {
-    padding: 1rem 0;
+    padding: 2rem;
+    bottom: 0px;
+    position: absolute;
 }
 
 .customhtml-banner-title {
@@ -16,6 +18,14 @@
     margin-bottom: 1rem;
 }
 
+.customhtml-banner-image--gradient {
+    width: 100%;
+    height: 100%;
+    position: absolute;
+    background: transparent linear-gradient(180deg, #27272777 0%, #272727 100%)
+        0% 0% no-repeat padding-box;
+}
+/* Alert */
 .customhtml-alert {
     max-height: 500px;
     overflow: hidden;
@@ -37,3 +47,20 @@
 .customhtml-alert-title {
     margin-right: 0.5rem;
 }
+
+/* FAQ */
+.accordion-icon-minus {
+    display: block;
+}
+
+.accordion-icon-plus {
+    display: none;
+}
+
+.customhtml-faq-accordion .btn.collapsed .accordion-icon-minus {
+    display: none;
+}
+
+.customhtml-faq-accordion .btn.collapsed .accordion-icon-plus {
+    display: block;
+}