Add updated table styles

  - Refer below link for styles:
      https://ibm.invisionapp.com/share/D8O06PPE32B#/screens

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: I6dcc3b8d0fb7ef19388b5bfeaf87fce78725b638
diff --git a/src/views/Health/Sensors/Sensors.vue b/src/views/Health/Sensors/Sensors.vue
index 7f25025..66bb7d5 100644
--- a/src/views/Health/Sensors/Sensors.vue
+++ b/src/views/Health/Sensors/Sensors.vue
@@ -39,6 +39,7 @@
           selectable
           no-select-on-click
           sort-icon-left
+          hover
           no-sort-reset
           sticky-header="75vh"
           sort-by="status"