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public/css/main.css

@@ -103,6 +103,10 @@ th.rotate > div > span {
     border-right: 1px solid #ccc;
     border-bottom: 1px solid #ccc;
 }
+th.sorting-field:hover{
+	cursor: pointer;
+	color:#222;
+}
 .pie-test{
     width:20px;
     height:20px;