:root {
	--bgcolor: #e5e5e5;
	--buttons_color: #b0b0b0;
	--buttons_color_hover: #709df8; /*#6892e6;*/     /*#6885d6;*/
	--main_text_color: black;
	--button_text_color: black;
	--button_text_color_hover: white;
	--card_hr_color: #c0c0c0; 
	--pop_bg_color: #c8c8c8;
}
.calculator img{
	-webkit-filter: invert(0);
	filter: invert(0);
}