labwc-alpine/configs/waybar/style.css

* {
    font-family: "JetBrainsMono Nerd Font";
    font-size: 12px;
    border: none;
    border-radius: 0;
}

window#waybar {
    background: alpha(#e3e3e3, 0.75);
    color: #0b0b0b;
    min-height: 28px;
}

#clock,
#cpu,
#memory,
#network,
#pulseaudio,
#taskbar,
#custom-spotify,
#tray {
    padding: 0 10px; 
    color: #0b0b0b;
}

#taskbar button {
    color: alpha(#0b0b0b, 0.6);
    padding: 0 8px;
}

#taskbar button.active {
    background-color: alpha(#0b0b0b, 0.2);
    box-shadow: inset 0 -2px 0 0 #0b0b0b;
    color: #0b0b0b;
}