workstation-ostree-config/config/waybar/style.css

* {
    border: none;
    border-radius: 0;
    font-family: Consolas, "Material Design Icons";
    font-size: 1em;
    min-height: 0;
}

window#waybar {
    background-color: rgba(11, 11, 11, 0.8);
    color: #ffffff;
    transition-property: background-color;
    transition-duration: .5s;
}

window#waybar.hidden {
    opacity: 0.2;
}

#window {
  padding: 0 15px;
}

window {
    color:      rgba(217, 216, 216, 1);
    background: rgba(35, 31, 32, 0.00);
}

window#waybar.solo {
    color:      rgba(217, 216, 216, 1);
    background: rgba(35, 31, 32, 0.85);
}

/*
window#waybar.empty {
    background-color: transparent;
}
window#waybar.solo {
    background-color: #FFFFFF;
}
*/

/* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
#workspaces button {
    padding: 0 5px;
    background-color: transparent;
    border-bottom: 2px solid rgba(180, 14, 25, 0.5);
    color: #999999;
}

#workspaces button.focused {
  color: #ffffff;
    background-color: #333333;
    border-bottom: 2px solid #ff9600;
}

#workspaces button.urgent {
    background-color: #eb4d4b;
}

#clock,
#custom-vpn,
#battery,
#cpu,
#memory,
#backlight,
#network,
#pulseaudio,
#tray,
#temperature,
#mode,
#idle_inhibitor {
    padding: 0 5px;
    margin: 0 4px;
    background-color: transparent;
    border-bottom: 2px solid #bdbd45;
    color: #ffffff;
}

#temperature {
    border-bottom: 2px solid #42a832;
}
#mode {
  background-color: #00ff96;
  color: #000000;
}

#pulseaudio,
#clock,
#tray,
#cpu {
  border-bottom: transparent;
}

#battery {
  border-bottom: 2px solid #bff874;
}

#battery.charging {
  border-bottom: 2px solid #00ff96;
}

#custom-vpn.down,
#temperature.critical,
#battery.critical:not(.charging) {
  border-bottom: 2px solid #dd2241;
}

label:focus {
    background-color: #000000;
}

#network.disconnected {
  border-bottom: 2px solid #dd2241;
}

#pulseaudio.bluetooth {
  border-bottom: 2px solid #1a8cff;
}

#pulseaudio.muted {
  border-bottom: 2px solid #fff569;
}