Добавлены стрелочки и стиль для их отображения

app/assets/images/arrow_down.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <path
+    d="M8 15 L1 8 H5 V1 H11 V8 H15 Z"
+    fill="#D9534F"
+    stroke="#C23026"
+    stroke-width="1"
+  />
+</svg>

app/assets/images/arrow_up.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <path
+    d="M8 1 L15 8 H11 V15 H5 V8 H1 Z"
+    fill="#6A9E8A"
+    stroke="#497C64"
+    stroke-width="1"
+  />
+</svg>

app/assets/stylesheets/organisation.scss

@@ -0,0 +1,19 @@
+.up::before,
+.down::before {
+  content: "";
+  display: inline-block;
+  width: 12px;
+  height: 12px;
+  margin-right: 6px;
+  background-repeat: no-repeat;
+  background-position: center;
+  background-size: contain;
+}
+
+.up::before {
+  background-image: asset-url('arrow_up.svg');
+}
+
+.down::before {
+  background-image: asset-url('arrow_down.svg');
+}