nixos/home/desktop/waybar/style.css

@define-color base   #24273a;
@define-color mantle #1e2030;
@define-color crust  #181926;

@define-color text     #cad3f5;
@define-color subtext0 #a5adcb;
@define-color subtext1 #b8c0e0;

@define-color surface0 #363a4f;
@define-color surface1 #494d64;
@define-color surface2 #5b6078;

@define-color overlay0 #6e738d;
@define-color overlay1 #8087a2;
@define-color overlay2 #939ab7;

@define-color blue      #8aadf4;
@define-color lavender  #b7bdf8;
@define-color sapphire  #7dc4e4;
@define-color sky       #91d7e3;
@define-color teal      #8bd5ca;
@define-color green     #a6da95;
@define-color yellow    #eed49f;
@define-color peach     #f5a97f;
@define-color maroon    #ee99a0;
@define-color red       #ed8796;
@define-color mauve     #c6a0f6;
@define-color pink      #f5bde6;
@define-color flamingo  #f0c6c6;
@define-color rosewater #f4dbd6;

* {
    border: none;
    border-radius: 10px;
    font-family: "FiraCode Nerd Font";
    font-size: 18px;
}

window#waybar {
    background: transparent;
}
window#waybar.hidden {
    opacity: 0.2;
}
#window {
    margin-top: 6px;
    padding-left: 10px;
    padding-right: 10px;
    border-radius: 10px;
    transition: none;
    color: transparent;
    background: transparent;
}

#workspaces button {
    transition: none;
    color: @overlay0;
    box-shadow: inset 0 -3px transparent;
    border-radius: 2px;
}
#workspaces button.active,
#workspaces button.focused {
    color: @base;
}
#workspaces button:hover {
    transition: none;
    box-shadow: inherit;
    text-shadow: inherit;
    color: @base;
    border-color: #e8a2af;
    color: @base;
}
#workspaces button.focused:hover {
    color: @base;
}

/* left section */
#clock,
#cpu,
#memory,
#temperature,
/* centre section */
#workspaces,
/* right section */
#pulseaudio,
#bluetooth,
#network,
#backlight,
#battery,
#tray {
    margin-top: 0px;
    margin-bottom: 0px;
    margin-left: 0px;
    margin-right: 0px;
    padding-left: 10px;
    padding-right: 10px;
    transition: none;
    color: @crust;
    background: @lavender;
}

#clock {
    background: @lavender;
}
#cpu {
    background: @pink;
}
#memory {
    background: @mauve;
}
#temperature {
    background: @red;
}
#workspaces {
    background: @yellow;
}
#pulseaudio {
    background: @green;
}
#bluetooth {
    background: @teal;
}
#network {
    background: @sky;
}
#backlight {
    background: @sapphire;
}
#battery {
    background: @blue;
}
#battery.charging,
#battery.plugged {
    background-color: @blue;
}
#battery.critical:not(.charging) {
    background-color: @blue;
    animation-name: blink;
    animation-duration: 0.5s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}
@keyframes blink {
to {
    color: @red;
}
}
#tray {
    color: @base;
}