Removed trailing spaces

build/less/mailbox.less

@@ -18,7 +18,7 @@
   padding: 10px;
   h3 {
     font-size: 20px;
-    margin: 0;    
+    margin: 0;
   }
   h5 {
     margin: 0;
@@ -38,7 +38,7 @@
     float: left;
     width: 200px;
     border: 1px solid #eee;
-    margin-bottom: 10px;    
+    margin-bottom: 10px;
     margin-right: 10px;
   }
 }
@@ -81,20 +81,20 @@
   .table-mailbox {
     border-left: 1px solid @box-border-color;
     border-right: 1px solid @box-border-color;
-    border-bottom: 1px solid @box-border-color;        
+    border-bottom: 1px solid @box-border-color;
     tr {
       &.unread {
-        > td {                    
+        > td {
           background-color: rgba(0, 0, 0, 0.05);
           color: #000;
-          font-weight: 600;                    
-        }                
+          font-weight: 600;
+        }
       }
       > td > .fa.fa-star,
       > td > .fa.fa-star-o,
       > td > .glyphicon.glyphicon-star,
       > td > .glyphicon.glyphicon-star-empty{
-        color: @yellow;   
+        color: @yellow;
         cursor: pointer;
       }
 
@@ -108,10 +108,10 @@
       }
       > td.time {
         text-align: right;
-        width: 100px;                
+        width: 100px;
       }
       > td {
-        white-space: nowrap;                
+        white-space: nowrap;
       }
 
       & > td > a {color: #444;}