Remove unneeded css for selectionRect

client-data/board.css

@@ -276,10 +276,6 @@ circle.opcursor {
 	transition: 0s;
 }
 
-#board #selectionRect {
-    fill: none;
-}
-
 /* Internet Explorer specific CSS */
 @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
 	#chooseColor {
@@ -288,4 +284,4 @@ circle.opcursor {
 	label.tool-name[for=chooseColor] {
 		line-height: 10px;
 	}
-}
+}