_display.scss in bootstrap-4.0.0

- old
+ new

@@ -23,34 +23,16 @@
 
 //
 // Utilities for toggling `display` in print
 //
 
-.d-print-block {
-  display: none !important;
-
-  @media print {
-    display: block !important;
-  }
-}
-
-.d-print-inline {
-  display: none !important;
-
-  @media print {
-    display: inline !important;
-  }
-}
-
-.d-print-inline-block {
-  display: none !important;
-
-  @media print {
-    display: inline-block !important;
-  }
-}
-
-.d-print-none {
-  @media print {
-    display: none !important;
-  }
+@media print {
+  .d-print-none         { display: none !important; }
+  .d-print-inline       { display: inline !important; }
+  .d-print-inline-block { display: inline-block !important; }
+  .d-print-block        { display: block !important; }
+  .d-print-table        { display: table !important; }
+  .d-print-table-row    { display: table-row !important; }
+  .d-print-table-cell   { display: table-cell !important; }
+  .d-print-flex         { display: flex !important; }
+  .d-print-inline-flex  { display: inline-flex !important; }
 }