'Can't get rid of borders in Awesome WM

I'm trying to make a task list popup with transparency, but I ran into a problem with the borders. Can't find a way to remove the black bars around the popup.

I tried border_width = 0 and theme.border_width = 0 but it just doesn't work.

Popup image

local TaskPopup = awful.popup {
widget = awful.widget.tasklist {
    screen   = awful.screen.focused(),
    filter   = awful.widget.tasklist.filter.allscreen,
    buttons  = tasklist_buttons,
    update_function = list_update,
    style    = {
        bg_focus = "#fcba03",
        bg_normal = "0",
    },
    layout   = {
        spacing = 5,
        forced_num_rows = 2,
        layout = wibox.layout.grid.horizontal
    },
    widget_template = {
        {
            {    
               {
                  id     = "clienticon",
                  widget = awful.widget.clienticon,
                  forced_height = 80,
               },
            widget = wibox.container.place,
            },
            {
               {
                  id     = "clienttext",
                  widget = wibox.widget.textbox,
                  text   = '...',
                  align = 'center',
               },
            widget = wibox.container.background,
            bg = "#615532",
            },
            widget  = wibox.layout.fixed.vertical,
            fill_space = true
        },
        id              = "background_role",
        forced_width    = 120,
        forced_height   = 120,
        widget          = wibox.container.background,
        create_callback = function(self, c, index, objects) --luacheck: no unused
            self:get_children_by_id("clienticon")[1].client = c
            self:get_children_by_id("clienttext")[1].text = c.class
        end,
    },
},
border_width = 0,
bg = "0",
ontop        = true,
placement    = awful.placement.centered,
opacity      = 0.8,
visible      = true
}
awesome-wm


Solution 1:[1]

Thanks to @Uli I managed to remove the borders (shadows) of the popup.

The problem was that the picom compositor was creating shadows around the popup.

Making the widget type = "desktop" makes picom ignore it.

border_width = 0,
bg = "0",
ontop        = true,
placement    = awful.placement.centered,
opacity      = 0.8,
visible      = true,
type         = "desktop"

github.com/yshui/picom/blob/...

Enabled client-side shadows on windows. Note desktop windows (windows with '_NET_WM_WINDOW_TYPE_DESKTOP') never get shadow, unless explicitly requested using the wintypes option.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 FluffyDango

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