/* @group CKEditor overrides for kama skin */
.cke_skin_kama .cke_styles {
	background-image: none !important;
}
.cke_skin_kama .cke_styles_panel {
	width: 200px; height: 200px;
	background-image: none !important;
}
.cke_skin_kama .cke_format_panel {
	width: 200px; height: 200px;
	background-image: none !important;
}
.cke_skin_kama .cke_font_panel {
	width: 200px; height: 200px;
}
.cke_skin_kama .cke_fontSize_panel {
	height: 170px;
}
.cke_skin_kama .cke_fontSize .cke_text {
	width: 25px;
}.
html .cke_skin_kama {
	visibility: inherit;
} 
html.cke_skin_kama_container {
	visibility: visible;
	background-image: none !important;
}
body.cke_panel_frame {
	background-image: none !important;
}
body.cke_panel_frame .cke_panel_block {
 	background-image: none !important;
}
/* @end */ 

CKEditor CSS overrides for kama skin

drupal

CSS