add cookie consent manger & updated cookie banner

styles/sass/welshgov/_application.scss

@@ -58,6 +58,9 @@ body {
             width: 28%;
             margin-right: 45px;
         }
+        &.hidden {
+            display: none;
+        }
     }
 
     .cookies-banner__link,
@@ -1320,3 +1323,54 @@ ul#sharePageLinks.active {
         z-index: 99;
     }
 }
+
+.paragraph--type--call-out-message {
+    border-left-color: $blue;
+    background-color: $lightgrey_light;
+}
+
+#cookies-js form {
+    background-color: $lightgrey_light;
+    padding: 40px;
+
+    .govuk-radios__label:before {
+        border: 1px solid #666666;
+        background-color: $white;
+    }
+    .govuk-radios--small .govuk-radios__item {
+        margin-bottom: 20px;
+        padding-left: 0px !important;
+    }
+
+    .govuk-radios--small
+        .govuk-radios__item:hover
+        .govuk-radios__input:not(:disabled)
+        + .govuk-radios__label:before {
+        box-shadow: 0 0 0 5px $lightgrey;
+    }
+    .govuk-radios__item {
+        background-color: $lightgrey_semi;
+        &:hover {
+            background-color: $lightgrey;
+        }
+        label {
+            margin-top: 0px;
+            background-color: $lightgrey_semi;
+            padding: 20px 20px 20px 50px;
+            &:before {
+                top: 18px;
+                width: 24px;
+                height: 24px;
+                left: 18px;
+            }
+            &:after {
+                top: 22px;
+                left: 22px;
+                border-width: 8px;
+            }
+            &:hover {
+                background-color: $lightgrey;
+            }
+        }
+    }
+}