send & receive multiple files

src/ui/file_transfer.css

@@ -30,6 +30,7 @@ table > thead {
 } 
 
 table > tbody {
+  behavior: select-multiple;
   overflow-y: scroll-indicator;
   size: *;
   background: white;
@@ -85,6 +86,15 @@ table.has_current tr:current /* current row */
   background-color: color(accent); 
 } 
 
+table.has_current tbody tr:checked
+{
+  background-color: color(accent);
+}
+
+table.has_current tbody tr:checked td {
+  color: highlighttext;
+}
+
 table td 
 { 
   padding: 4px;