GUI -- Minor CSS edits to host view.

Change-Id: I4ad54bfa701ca7ad21a63975ddcd62a4c12442eb
diff --git a/web/gui/src/main/webapp/app/common.css b/web/gui/src/main/webapp/app/common.css
index 8963ff5..43755d3 100644
--- a/web/gui/src/main/webapp/app/common.css
+++ b/web/gui/src/main/webapp/app/common.css
@@ -47,6 +47,7 @@
     padding: 10px;
     letter-spacing: 0.02em;
     text-align: left;
+    cursor: pointer;
 }
 table.summary-list th:first-child {
     border-radius: 8px 0 0 0;