startw/conf/config/waybar/style.css

* {
    border: none;
    border-radius: 0;
    /* `otf-font-awesome` is required to be installed for icons */
    font-family: Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    min-height: 0;
}

window#waybar {
    background-color: rgba(56, 70, 87, 1.0);
    /*border-bottom: 2px solid rgba(20, 28, 37, 1.0); */
    color: #ffffff;
    transition-property: background-color;
    transition-duration: .5s;
}

window#waybar.hidden {
    opacity: 0.2;
}

#workspaces {
	background-color: #141c25;
}

#workspaces button {
    padding: 0 0px;
    /*background-color: transparent;*/
    color: #b6c0cc;
}

/* https://github.com/Alexays/Waybar/wiki/FAQ#the-workspace-buttons-have-a-strange-hover-effect */
#workspaces button:hover {
    background: rgba(100, 100, 100, 0.2);
    box-shadow: inherit;
}

#workspaces button.focused {
    background-color: #5fb5f1;
    color: #141c25;
}

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

#mode {
    background-color: #141c25;
}

#clock,
#battery,
#cpu,
#memory,
#temperature,
#backlight,
#network,
#pulseaudio,
#custom-media,
#tray,
#mode,
#idle_inhibitor,
#alsa,
#mpd {
    padding: 0 16px;
    margin: 0 1px;
    color: #b6c0cc;
    background-color: #141c25;
}

#clock {
}

#battery {
}

#battery.charging {
}

@keyframes blink {
    to {
        background-color: #ffffff;
        color: #000000;
    }
}

#battery.critical:not(.charging) {
    background-color: #f53c3c;
    color: #ffffff;
    animation-name: blink;
    animation-duration: 0.5s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

label:focus {
}

#cpu {
}

#memory {
}

#backlight {
}

#alsa {
}

#network {
}

#network.disconnected {
}

#pulseaudio {

}

#pulseaudio.muted {

}

#temperature {
}

#temperature.critical {
}

#tray {
}

#idle_inhibitor {
	font-size: 18px;
}

#idle_inhibitor.activated {
	background-color: #47c0d6;
	font-size: 18px;
    color: #141c25;
}

#mpd {
    color: #2a5c45;
}

#mpd.disconnected {
}

#mpd.stopped {
}

#mpd.paused {
}