diff --git a/css/main.css b/css/main.css
index cced4bf..13f4db1 100644
--- a/css/main.css
+++ b/css/main.css
@@ -127,7 +127,7 @@ select.form-novelty {
 .four-five { grid-area: four-five; background-color: #fec6c6; }
 .five-five { grid-area: five-five; background-color: #fec6c6; }
 
-.b-example-divider {
+.vertical-divider {
   flex-shrink: 0;
   width: 1.5rem;
   min-height: 100vh;
@@ -137,6 +137,16 @@ select.form-novelty {
   box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
 }
 
+.horizontal-divider {
+  flex-shrink: 0;
+  width: 100%;
+  height: 1.5rem;
+  background-color: rgba(0, 0, 0, .1);
+  border: solid rgba(0, 0, 0, .15);
+  border-width: 1px 0;
+  box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
+}
+
 .bi {
   vertical-align: -.125em;
   pointer-events: none;
diff --git a/index.html b/index.html
index 055c35e..36f8e38 100644
--- a/index.html
+++ b/index.html
@@ -105,7 +105,7 @@
     </ul>
   </div>
 
-  <div class="b-example-divider"></div>
+  <div class="vertical-divider"></div>
 
   <div class="main-window">
     <div id="window-threatbox" class="window-hidden">
@@ -318,6 +318,19 @@ <h1 class="label-threatactors"></h1>
     </div>
     <div id="window-threatactorlibrary" class="window-hidden">
       <h1 class="label-threatactorlibrary"></h1>
+
+      <div id="actorlibrary">
+        <div>
+          <h3>APT1</h3>
+          <p>Test</p>
+          <hr/>
+        </div>
+        <div>
+          <h3>APT2</h3>
+          <p>Test</p>
+          <hr/>
+        </div>
+      </div>
     </div>
     <div id="window-settings" class="window-hidden">
       <h1 class="label-settings"></h1>
diff --git a/test.py b/test.py
new file mode 100644
index 0000000..ca82668
--- /dev/null
+++ b/test.py
@@ -0,0 +1,31 @@
+import json
+
+from stix2 import FileSystemSource, Filter
+from stix2.utils import get_type_from_id
+
+# create FileSystemSource
+fs_source = FileSystemSource("../cti/enterprise-attack")
+
+
+rels = fs_source.query(Filter("type", "=", "relationship"))
+
+isets = fs_source.query(Filter("type", "=", "intrusion-set"))
+groups = []
+for iset in isets:
+    z = dict(iset).copy()
+    z["attack-patterns"] = []
+
+    for rel in rels:
+        if (
+            get_type_from_id(rel.source_ref) == "intrusion-set"
+            and get_type_from_id(rel.target_ref) == "attack-pattern"
+            and iset.id == rel.source_ref
+        ):
+            z["attack-patterns"].append(dict(rel))
+
+    groups.append(z)
+
+# TODO: techniques!
+
+print(len(groups))
+print(json.dumps(groups[0], indent=2, default=str))