" {    xthickness = 0   ythickness = 0    engine "pixmap" {      image {       function = SHADOW       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       shadow = IN     }      image {       function = SHADOW_GAP       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       gap_start_file = "assets/frame-gap-start.png"       gap_start_border = { 0, 0, 0, 0 }       gap_end_file = "assets/frame-gap-end.png"       gap_end_border = { 0, 0, 0, 0 }       shadow = IN     }      image {       function = SHADOW       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       shadow = OUT     }      image {       function = SHADOW_GAP       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       gap_start_file = "assets/frame-gap-start.png"       gap_start_border = { 0, 0, 0, 0 }       gap_end_file = "assets/frame-gap-end.png"       gap_end_border = { 0, 0, 0, 0 }       shadow = OUT     }      image {       function = SHADOW       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       shadow = ETCHED_IN     }      image {       function = SHADOW_GAP       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       gap_start_file = "assets/frame-gap-start.png"       gap_start_border = { 0, 0, 0, 0 }       gap_end_file = "assets/frame-gap-end.png"       gap_end_border = { 0, 0, 0, 0 }       shadow = ETCHED_IN     }      image {       function = SHADOW       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       shadow = ETCHED_OUT     }      image {       function = SHADOW_GAP       file = "assets/frame.png"       border = { 0, 0, 0, 0 }       stretch = TRUE       gap_start_file = "assets/frame-gap-start.png"       gap_start_border = { 0, 0, 0, 0 }       gap_end_file = "assets/frame-gap-end.png"       gap_end_border = { 0, 0, 0, 0 }       shadow = ETCHED_