changed my config a little bit

config.def.h

@@ -1,17 +1,22 @@
 /* See LICENSE file for copyright and license details. */
+#include <X11/XF86keysym.h>
 
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int gappx     = 15;        /* gaps between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;     /* 0 means no bar */
 static const int topbar             = 1;     /* 0 means bottom bar */
-static const char *fonts[]          = { "monospace:size=10" };
+static const char *fonts[]          = { 
+			"monospace:size=14",
+			"Nerd Font:size=14:antialias=true",
+ };
 static const char dmenufont[]       = "monospace:size=10";
 static const char col_gray1[]       = "#222222";
 static const char col_gray2[]       = "#444444";
 static const char col_gray3[]       = "#bbbbbb";
 static const char col_gray4[]       = "#eeeeee";
-static const char col_cyan[]        = "#005577";
+static const char col_cyan[]        = "#a1028e";
 static const char *colors[][3]      = {
 	/*               fg         bg         border   */
 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
@@ -19,7 +24,7 @@ static const char *colors[][3]      = {
 };
 
 /* tagging */
-static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+static const char *tags[] = { "term", "web", "gam", "misc" };
 
 static const Rule rules[] = {
 	/* xprop(1):
@@ -45,7 +50,7 @@ static const Layout layouts[] = {
 };
 
 /* key definitions */
-#define MODKEY Mod1Mask
+#define MODKEY Mod4Mask
 #define TAGKEYS(KEY,TAG) \
 	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
 	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \
@@ -57,13 +62,20 @@ static const Layout layouts[] = {
 
 /* commands */
 static const char *dmenucmd[] = { "dmenu_run", "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
-static const char *termcmd[]  = { "st", NULL };
+static const char *termcmd[]  = { "alacritty", NULL };
+static const char *upvol[]   = { "/usr/bin/pactl", "set-sink-volume", "0", "+5%",     NULL };
+static const char *downvol[] = { "/usr/bin/pactl", "set-sink-volume", "0", "-5%",     NULL };
+static const char *mutevol[] = { "/usr/bin/pactl", "set-sink-mute",   "0", "toggle",  NULL };
+static const char *light_up[] = {"/usr/bin/light", "-A", "5", NULL};
+static const char *light_down[] = {"/usr/bin/light", "-U", "5", NULL};
+static const char *firefox[] = { "firefox", NULL };
 
 static const Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
 	{ MODKEY|ShiftMask,             XK_Return, spawn,          {.v = termcmd } },
 	{ MODKEY,                       XK_b,      togglebar,      {0} },
+	{ MODKEY,			XK_c,	   spawn,          {.v = firefox} },
 	{ MODKEY,                       XK_j,      focusstack,     {.i = +1 } },
 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
 	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
@@ -84,6 +96,9 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
+	{ MODKEY,                       XK_minus,  setgaps,        {.i = -1 } },
+	{ MODKEY,                       XK_equal,  setgaps,        {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_equal,  setgaps,        {.i = 0  } },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
@@ -94,6 +109,11 @@ static const Key keys[] = {
 	TAGKEYS(                        XK_8,                      7)
 	TAGKEYS(                        XK_9,                      8)
 	{ MODKEY|ShiftMask,             XK_q,      quit,           {0} },
+        { 0,                            XF86XK_AudioLowerVolume,        spawn, {.v = downvol } },
+        { 0,                            XF86XK_AudioMute,               spawn, {.v = mutevol } },
+        { 0,                            XF86XK_AudioRaiseVolume,        spawn, {.v = upvol   } },
+        { 0,                            XF86XK_MonBrightnessUp,         spawn,  {.v = light_up} },
+        { 0,                            XF86XK_MonBrightnessDown,       spawn,  {.v = light_down} },
 };
 
 /* button definitions */

config.h

@@ -3,6 +3,7 @@
 
 /* appearance */
 static const unsigned int borderpx  = 1;        /* border pixel of windows */
+static const unsigned int gappx     = 15;        /* gaps between windows */
 static const unsigned int snap      = 32;       /* snap pixel */
 static const int showbar            = 1;     /* 0 means no bar */
 static const int topbar             = 1;     /* 0 means bottom bar */
@@ -15,7 +16,7 @@ static const char col_gray1[]       = "#222222";
 static const char col_gray2[]       = "#444444";
 static const char col_gray3[]       = "#bbbbbb";
 static const char col_gray4[]       = "#eeeeee";
-static const char col_cyan[]        = "#005577";
+static const char col_cyan[]        = "#a1028e";
 static const char *colors[][3]      = {
 	/*               fg         bg         border   */
 	[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
@@ -23,7 +24,7 @@ static const char *colors[][3]      = {
 };
 
 /* tagging */
-static const char *tags[] = { "obs", "web", "gam", "4", "5", "6", "7", "8", "9" };
+static const char *tags[] = { "term", "web", "gam", "misc" };
 
 static const Rule rules[] = {
 	/* xprop(1):
@@ -95,6 +96,9 @@ static const Key keys[] = {
 	{ MODKEY,                       XK_period, focusmon,       {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_comma,  tagmon,         {.i = -1 } },
 	{ MODKEY|ShiftMask,             XK_period, tagmon,         {.i = +1 } },
+	{ MODKEY,                       XK_minus,  setgaps,        {.i = -1 } },
+	{ MODKEY,                       XK_equal,  setgaps,        {.i = +1 } },
+	{ MODKEY|ShiftMask,             XK_equal,  setgaps,        {.i = 0  } },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)

dwm.c

@@ -119,6 +119,7 @@ struct Monitor {
 	int by;               /* bar geometry */
 	int mx, my, mw, mh;   /* screen size */
 	int wx, wy, ww, wh;   /* window area  */
+	int gappx;            /* gaps between windows */
 	unsigned int seltags;
 	unsigned int sellt;
 	unsigned int tagset[2];
@@ -200,6 +201,7 @@ static void sendmon(Client *c, Monitor *m);
 static void setclientstate(Client *c, long state);
 static void setfocus(Client *c);
 static void setfullscreen(Client *c, int fullscreen);
+static void setgaps(const Arg *arg);
 static void setlayout(const Arg *arg);
 static void setmfact(const Arg *arg);
 static void setup(void);
@@ -642,6 +644,7 @@ createmon(void)
 	m->nmaster = nmaster;
 	m->showbar = showbar;
 	m->topbar = topbar;
+	m->gappx = gappx;
 	m->lt[0] = &layouts[0];
 	m->lt[1] = &layouts[1 % LENGTH(layouts)];
 	strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
@@ -1498,6 +1501,16 @@ setfullscreen(Client *c, int fullscreen)
 	}
 }
 
+void
+setgaps(const Arg *arg)
+{
+	if ((arg->i == 0) || (selmon->gappx + arg->i < 0))
+		selmon->gappx = 0;
+	else
+		selmon->gappx += arg->i;
+	arrange(selmon);
+}
+
 void
 setlayout(const Arg *arg)
 {
@@ -1679,18 +1692,16 @@ tile(Monitor *m)
 	if (n > m->nmaster)
 		mw = m->nmaster ? m->ww * m->mfact : 0;
 	else
-		mw = m->ww;
-	for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
+        	mw = m->ww - m->gappx;
+        for (i = 0, my = ty = m->gappx, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
 		if (i < m->nmaster) {
-			h = (m->wh - my) / (MIN(n, m->nmaster) - i);
-			resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
-			if (my + HEIGHT(c) < m->wh)
-				my += HEIGHT(c);
+			h = (m->wh - my) / (MIN(n, m->nmaster) - i) - m->gappx;
+                        resize(c, m->wx + m->gappx, m->wy + my, mw - (2*c->bw) - m->gappx, h - (2*c->bw), 0);
+                        my += HEIGHT(c) + m->gappx;
 		} else {
-			h = (m->wh - ty) / (n - i);
-			resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
-			if (ty + HEIGHT(c) < m->wh)
-				ty += HEIGHT(c);
+			h = (m->wh - ty) / (n - i) - m->gappx;
+                       resize(c, m->wx + mw + m->gappx, m->wy + ty, m->ww - mw - (2*c->bw) - 2*m->gappx, h - (2*c->bw), 0);
+                       ty += HEIGHT(c) + m->gappx;
 		}
 }