Add style focus to select2

Author: jcastroa87

src/resources/assets/scss/customs/_form.scss

@@ -1,42 +1,51 @@
-form {
-  .form-group.required>label:not(:empty):not(.form-check-label)::after {
-    content: ' *';
-    color: #ff0000;
-  }
-
-  .help-block {
-    margin-top: .25rem;
-    margin-bottom: .25rem;
-    color: #73818f;
-    font-size: 0.9em;
-  }
-
-  .nav-tabs .nav-link:hover {
-    border-bottom: none;
-    color: #384c74;
-  }
-
-  .select2-container--bootstrap {
-    .select2-selection--single {
-      padding-top: 8px;
-      padding-bottom: 8px;
-      min-height: 38px;
-    }
-
-    .select2-selection--multiple {
-      min-height: 38px;
-
-      .select2-search--inline .select2-search__field {
-        min-height: 36px;
-      }
-
-      .select2-selection__choice {
-        margin-top: 6px;
-      }
-
-      .select2-selection__clear {
-        margin-top: 8px;
-      }
-    }
-  }
-}
+form {
+    .form-group.required>label:not(:empty):not(.form-check-label)::after {
+        content: ' *';
+        color: #ff0000;
+    }
+
+    .help-block {
+        margin-top: .25rem;
+        margin-bottom: .25rem;
+        color: #73818f;
+        font-size: 0.9em;
+    }
+
+    .nav-tabs .nav-link:hover {
+        border-bottom: none;
+        color: #384c74;
+    }
+
+    .select2-container--bootstrap {
+        .select2-selection--single {
+            padding-top: 8px;
+            padding-bottom: 8px;
+            min-height: 38px;
+        }
+
+        .select2-selection--multiple {
+            min-height: 38px;
+
+            .select2-search--inline .select2-search__field {
+                min-height: 36px;
+            }
+
+            .select2-selection__choice {
+                margin-top: 6px;
+            }
+
+            .select2-selection__clear {
+                margin-top: 8px;
+            }
+        }
+    }
+
+    .select2.select2-container.select2-container--focus,
+    .select2.select2-container.select2-container--open {
+        background-color: #fff;
+        border-color: #9080f1;
+        box-shadow: 0 0 0 2px #e1dcfb;
+        color: #495057;
+        outline: 0;
+    }
+}