Blocks must be separated by an empty line

app/assets/stylesheets/default_data_block.scss

@@ -9,6 +9,7 @@
     box-shadow: 0 0 1px 0 rgba(0, 0, 0, 0.5);
     margin-bottom: 40px;
   }
+
   .carret-right {
     float: left;
     width: 0;
@@ -18,6 +19,7 @@
     border-left: 14px solid #FFFFFF;
     margin: 12px 12px 0 15px;
   }
+
   .carret-down {
     float: left;
     width: 0;
@@ -28,24 +30,29 @@
     border-top: 14px solid #FFFFFF;
     margin: 12px 12px 0 15px;
   }
+
   .header {
     background-color: #003C92;
     height: 40px;
     color: #FFFFFF;
     font-size: 18px;
     font-weight: bold;
+
     .title, .title-no-expanse, .action, .count {
       height: 100%;
       line-height: 40px;
       padding: 0px;
       text-transform: uppercase;
     }
+
     .title-no-expanse {
       cursor: not-allowed;
     }
+
     .title, .action, .count {
       cursor: pointer;
     }
+
     .action {
       background-color: #E45B51;
       text-align: center;
@@ -54,14 +61,17 @@
       text-decoration: none;
       color: #FFFFFF;
     }
+
     .action:hover {
       color: $light-blue;
     }
+
     .count {
       font-size: 16px;
       text-align: center;
     }
   }
+
   .body {
     background-color: #FFFFFF;
     display: none;