Standardise more icons using material design style

nixos/home-manager/env/config/waybar/config

@@ -14,18 +14,18 @@
         "all-outputs": true,
         "format": "{icon}",
         "format-icons": {
-            "1": " ",
-            "2": " ",
-            "3": " ",
-            "4": " ",
-            "5": " ",
-            "6": " ",
-            "7": " ",
-            "8": " ",
-            "9": " ",
-            "urgent": " ",
-            "focused": " ",
-            "default": " "
+            "1": "",
+            "2": "",
+            "3": "",
+            "4": "",
+            "5": "",
+            "6": "",
+            "7": "",
+            "8": "",
+            "9": "",
+            "urgent": "",
+            "focused": "",
+            "default": ""
         }
     },
     "keyboard-state": {
@@ -66,8 +66,8 @@
     "idle_inhibitor": {
         "format": "{icon}",
         "format-icons": {
-            "activated": " ",
-            "deactivated": " "
+            "activated": "",
+            "deactivated": ""
         }
     },
     "tray": {
@@ -80,11 +80,11 @@
         "format-alt": "{:%Y-%m-%d}"
     },
     "cpu": {
-        "format": "{usage}% 󰻠 ",
+        "format": "{usage}% 󰻠",
         "tooltip": false
     },
     "memory": {
-        "format": "{}% 󰍛 "
+        "format": "{}% 󰍛"
     },
     "temperature": {
         // "thermal-zone": 2,
@@ -118,29 +118,29 @@
     },
     "network": {
         // "interface": "wlp2*", // (Optional) To force the use of this interface
-        "format-wifi": "{essid} ({signalStrength}%) 󰖩 ",
-        "format-ethernet": "{ipaddr}/{cidr} 󰈁 ",
-        "tooltip-format": "{ifname} via {gwaddr} 󰈁 ",
-        "format-linked": "{ifname} (No IP) 󰈁 ",
-        "format-disconnected": "Disconnected 󰈂 ",
+        "format-wifi": "{essid} ({signalStrength}%) 󰖩",
+        "format-ethernet": "{ipaddr}/{cidr} 󰈁",
+        "tooltip-format": "{ifname} via {gwaddr} 󰈁",
+        "format-linked": "{ifname} (No IP) 󰈁",
+        "format-disconnected": "Disconnected 󰈂",
         "format-alt": "{ifname}: {ipaddr}/{cidr}"
     },
     "pulseaudio": {
-        // "scroll-step": 1, // %, can be a float
+        "scroll-step": 2, // %, can be a float
         "format": "{volume}% {icon} {format_source}",
         "format-bluetooth": "{volume}% {icon} {format_source}",
-        "format-bluetooth-muted": " {icon} {format_source}",
-        "format-muted": " {format_source}",
-        "format-source": "{volume}% ",
-        "format-source-muted": "",
+        "format-bluetooth-muted": "󰝟 {icon} {format_source}",
+        "format-muted": "󰝟 {format_source}",
+        "format-source": "{volume}% 󰍬",
+        "format-source-muted": "󰍭",
         "format-icons": {
-            "headphone": "",
-            "hands-free": "",
-            "headset": "",
-            "phone": "",
-            "portable": "",
-            "car": "",
-            "default": ["", "", ""]
+            "headphone": "󰋋",
+            "hands-free": "󰥰",
+            "headset": "󰋎",
+            "phone": "󰏲",
+            "portable": "󰏳",
+            "car": "󰄍",
+            "default": ["󰕿", "󰖀", "󰕾"]
         },
         "on-click": "pavucontrol"
     },