add red line if miners down

app/assets/stylesheets/admin/bootstrap_and_overrides.sass

@@ -4,18 +4,24 @@ html
 body.admin-body
   padding-top: 70px
   height: 100%
+
   .yield-container
     overflow-y: auto
     height: 100%
+
     .yield-column
       padding: 0 10px 20px 90px
+
     &.pinned
       .yield-column
         padding: 0 10px 20px 300px
+
       #links_panel
         left: 0
+
         .handle
           display: none
+
         .pin
           color: #347bb7
 
@@ -24,6 +30,7 @@ body.admin-body
     bottom: 0
     right: 25px
     color: #b2b2b8
+
     p
       margin: 0
 
@@ -37,9 +44,11 @@ body.admin-body
     left: -250px
     height: calc(100% - 85px)
     z-index: 2
+
     div
       height: 100%
       overflow-y: auto
+
     ul li
       a
         padding: 2px 15px
@@ -48,14 +57,17 @@ body.admin-body
         margin-left: 0
         margin-right: -5px
         border-left: #808080 outset 5px
+
     .handle
       position: absolute
       top: calc(50% - 12px)
       left: 265px
       color: darkgrey
+
       &:hover
         color: #347bb7
         cursor: pointer
+
     .pin
       position: absolute
       top: 5px
@@ -63,12 +75,14 @@ body.admin-body
       color: darkgrey
       font-size: 18px
       height: 26px
+
       &:hover
         color: #347bb7
         cursor: pointer
 
   .page-header
     margin: 0 0 5px
+
     h1
       margin-top: 0
       margin-bottom: 0
@@ -77,3 +91,7 @@ body.admin-body
   .form-horizontal .form-group
     margin-left: 0
     margin-right: 0
+
+  .table-error
+    background-color: #f5c6cb !important
+

app/views/miners/index.html.haml

@@ -18,7 +18,8 @@
         %i.fa.fa-close
   %tbody
     - @miners.each do |miner|
-      %tr
+      - failed = miner.status != 'work'
+      %tr{:class => ("table-error" if failed)}
         %td= link_to miner.name, miner_path(miner)
         %td= miner.status
         %td= miner.ip_address