.colmask.threecol
  .colmid
    .colleft
      .urgent.col1
        Urgent
        .unacknowledged{:title=>"Urgent alert unacknowledged"} #{@urgent.length - @count_ack[:urgent]}
        .acknowledged{:title=>"Urgent alert acknowledged"} #{@count_ack[:urgent]}
      .normal.col2
        Normal
        .unacknowledged{:title=>"Normal alert unacknowledged"} #{@normal.length - @count_ack[:normal]}
        .acknowledged{:title=>"Normal alert acknowledged"} #{@count_ack[:normal]}
      .low.col3
        Low
        .unacknowledged{:title=>"Low alert unacknowledged"} #{@low.length - @count_ack[:low]}
        .acknowledged{:title=>"Low alert acknowledged"} #{@count_ack[:low]}