dots/stow/.config/waybar/style.css

@define-color white      #F2F2F2;
@define-color black      #000203;
@define-color text       #BECBCB;
@define-color lightgray  #686868;
@define-color darkgray   #353535;
@define-color red        #F38BA8;

@define-color black-transparent-1 rgba(0, 0, 0, 0.1);
@define-color black-transparent-2 rgba(0, 0, 0, 0.2);
@define-color black-transparent-3 rgba(0, 0, 0, 0.3);
@define-color black-transparent-4 rgba(0, 0, 0, 0.4);
@define-color black-transparent-5 rgba(0, 0, 0, 0.5);
@define-color black-transparent-6 rgba(0, 0, 0, 0.6);
@define-color black-transparent-7 rgba(0, 0, 0, 0.7);
@define-color black-transparent-8 rgba(0, 0, 0, 0.8);
@define-color black-transparent-9 rgba(0, 0, 0, 0.9);
@define-color black-solid         rgba(0, 0, 0, 1.0);

* {
    font-family:
        Iosevka,
        Material Design Icons Desktop;
    font-size: 13px;
    padding: 0;
    margin: 0;
}

window#waybar {
    background-color: @black-transparent-9;
    color: @text;
    border-radius: 0;
}

tooltip {
    background: @black-solid;
    border: 1px solid @darkgray;
    border-radius: 0;
}
tooltip label {
    color: @text;
}

#workspaces {
}

#workspaces button {
    background-color: transparent;
    color: @lightgray;
    transition: all 0.3s ease;
}

#workspaces button:hover {
    box-shadow: inherit;
    text-shadow: inherit;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0);
    color: @white;
    transition: all 0.3s ease;
}

#workspaces button.focused,
#workspaces button.active {
    color: @white;
    transition: all 0.3s ease;
    animation: colored-gradient 10s ease infinite;
}

#workspaces button.urgent {
    background-color: @red;
    color: @black;
    transition: all 0.3s ease;
}

/* -------------------------------------------------------------------------------- */

#submap,
#mode,
#tray,
#cpu,
#memory,
#backlight,
#pulseaudio.audio,
#pulseaudio.microphone,
#network.wlo1,
#network.eno1,
#bluetooth,
#battery,
#clock,
#mpd,
#custom-media,
#custom-notification {
    background-color: transparent;
    color: @text;
    margin-top: 4px;
    margin-bottom: 4px;
    margin-left: 0;
    margin-right: 0;
    border-radius: 20px;
    transition: all 0.3s ease;
}

#submap {
    border: 0;
}

/* -------------------------------------------------------------------------------- */

/* If workspaces is the leftmost module, omit left margin */
.modules-left > widget:first-child > #workspaces button,
.modules-left > widget:first-child > #tray,
.modules-left > widget:first-child > #cpu,
.modules-left > widget:first-child > #memory,
.modules-left > widget:first-child > #backlight,
.modules-left > widget:first-child > #pulseaudio.audio,
.modules-left > widget:first-child > #pulseaudio.microphone,
.modules-left > widget:first-child > #network.wlo1,
.modules-left > widget:first-child > #network.eno1,
.modules-left > widget:first-child > #bluetooth,
.modules-left > widget:first-child > #battery,
.modules-left > widget:first-child > #clock,
.modules-left > widget:first-child > #custom-notification {
    margin-top: 4px;
}

.modules-right > widget:last-child > #workspaces button,
.modules-right > widget:last-child > #tray,
.modules-right > widget:last-child > #cpu,
.modules-right > widget:last-child > #memory,
.modules-right > widget:last-child > #backlight,
.modules-right > widget:last-child > #pulseaudio.audio,
.modules-right > widget:last-child > #pulseaudio.microphone,
.modules-right > widget:last-child > #network.wlo1,
.modules-right > widget:last-child > #network.eno1,
.modules-right > widget:last-child > #bluetooth,
.modules-right > widget:last-child > #battery,
.modules-right > widget:last-child > #clock,
.modules-right > widget:last-child > #custom-notification {
    margin-bottom: 4px;
}

/* -------------------------------------------------------------------------------- */

#tray {
    background-color: transparent;
    padding: 1px 5px;
}
#tray menu {
    padding: 2px;
    border-radius: 0;
}

/* -------------------------------------------------------------------------------- */

#backlight-slider {
    margin-top: 10px;
}

#backlight-slider slider {
    min-height: 0px;
    min-width: 0px;
    opacity: 0;
    background-image: none;
    border: none;
    box-shadow: none;
}
#backlight-slider trough {
    min-height: 80px;
    min-width: 10px;
    border-radius: 5px;
    background-color: black;
}
#backlight-slider highlight {
    min-width: 6px;
    border: 1px solid @text;
    border-radius: 5px;
    background-color: @text;
}

/* -------------------------------------------------------------------------------- */

#pulseaudio-slider {
    margin-top: 6px;
}

#pulseaudio-slider slider {
    min-height: 0px;
    min-width: 0px;
    opacity: 0;
    background-image: none;
    border: none;
    box-shadow: none;
}
#pulseaudio-slider trough {
    min-height: 80px;
    min-width: 5px;
    border-radius: 5px;
    background-color: black;
}
#pulseaudio-slider highlight {
    min-width: 5px;
    border: 1px solid @text;
    border-radius: 5px;
    background-color: @text;
}