diff -r ac233c362502 config.h
--- a/config.h	Sat Sep 22 21:55:19 2007 +0200
+++ b/config.h	Sun Sep 23 01:41:37 2007 +0200
@@ -10,6 +10,8 @@
 #define SELBORDERCOLOR		"#f00"
 #define SELBGCOLOR		"#00f"
 #define SELFGCOLOR		"#fff"
+#define FLOATNORMBORDERCOLOR	NORMBORDERCOLOR
+#define FLOATSELBORDERCOLOR	SELBORDERCOLOR
 
 /* tagging */
 const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9", NULL };
diff -r ac233c362502 dwm.c
--- a/dwm.c	Sat Sep 22 21:55:19 2007 +0200
+++ b/dwm.c	Sun Sep 23 01:41:37 2007 +0200
@@ -50,7 +50,7 @@
 /* enums */
 enum { BarTop, BarBot, BarOff };			/* bar position */
 enum { CurNormal, CurResize, CurMove, CurLast };	/* cursor */
-enum { ColBorder, ColFG, ColBG, ColLast };		/* color */
+enum { ColBorder, ColFG, ColBG, ColBorderFloat, ColLast };		/* color */
 enum { NetSupported, NetWMName, NetLast };		/* EWMH atoms */
 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
 
@@ -688,7 +688,10 @@ focus(Client *c) {
 		for(c = stack; c && !isvisible(c); c = c->snext);
 	if(sel && sel != c) {
 		grabbuttons(sel, False);
-		XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
+		if(sel->isfloating)
+			XSetWindowBorder(dpy, sel->win, dc.norm[ColBorderFloat]);
+		else
+			XSetWindowBorder(dpy, sel->win, dc.norm[ColBorder]);
 	}
 	if(c) {
 		detachstack(c);
@@ -700,7 +703,10 @@ focus(Client *c) {
 	if(!selscreen)
 		return;
 	if(c) {
-		XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
+		if(c->isfloating)
+			XSetWindowBorder(dpy, c->win, dc.sel[ColBorderFloat]);
+		else
+			XSetWindowBorder(dpy, c->win, dc.sel[ColBorder]);
 		XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
 	}
 	else
@@ -1474,9 +1480,11 @@ setup(void) {
 	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
 	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
 	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
+	dc.norm[ColBorderFloat] = getcolor(FLOATNORMBORDERCOLOR);
 	dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
 	dc.sel[ColBG] = getcolor(SELBGCOLOR);
 	dc.sel[ColFG] = getcolor(SELFGCOLOR);
+	dc.sel[ColBorderFloat] = getcolor(FLOATSELBORDERCOLOR);
 	initfont(FONT);
 	dc.h = bh = dc.font.height + 2;