refactor all the things

hub/services/static/admin/css/hide_inline_header.css

@@ -1,7 +0,0 @@
-.inline-group .tabular .has_original td:first-child {
-    display: none;
-}
-
-.inline-group .tabular tr:not(.has_original) td:first-child {
-    display: none;
-}

hub/services/static/admin/css/service_offering.css

@@ -0,0 +1,29 @@
+.price-table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 1em 0;
+}
+
+.price-table th,
+.price-table td {
+    padding: 8px;
+    border: 1px solid #ddd;
+}
+
+.price-table th {
+    background-color: #f5f5f5;
+}
+
+.button {
+    display: inline-block;
+    padding: 4px 8px;
+    background: #79aec8;
+    color: white;
+    text-decoration: none;
+    border-radius: 4px;
+    margin: 2px;
+}
+
+.button:hover {
+    background: #609ab6;
+}