Check简约手绘风红色绿色黑色X符号插画

minimalist illustration, green and red color scheme, green represents correct, red represents wrong, 12 different styles of check and cross icons, varying line thickness and color, some hand-drawn with green and red pens, some with black pens, clean and organized layout, modern style, detailed, high resolutionelemental, minimalist, Flat Illustration, clean background,