diff --git a/svg01.cpp b/svg01.cpp
index f0714c1..42afd40 100644
--- a/svg01.cpp
+++ b/svg01.cpp
@@ -1,6 +1,7 @@
 #include "svg01.h"
 #include <vector>
 #include <iostream>
+#include <string>
 
 using namespace std;
 
@@ -25,13 +26,33 @@ svg_text(double left, double baseline, string text) {
 }
 
 void
-svg_rect(double x, double y, double width, double height, string stroke = "midnightblue", string fill = "deeppink"){
-    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "'/>";
+svg_rect(double x, double y, double width, double height, string colors_stroke, string colors_fill){
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << colors_stroke << "' fill='" << colors_fill << "'/>";
 }
 
+void
+input_colors(string &colors_stroke, string &colors_fill){
+    string color_personal;
+    cerr << "Do you want to change colors? Yes/No" << endl;
+    cin >> color_personal;
+    while ((color_personal != "No") && (color_personal != "Yes")){
+        cerr << "WRONG ANSWER! Try again!" << endl;
+        cin >> color_personal;
+    }
+    if (color_personal == "No"){
+        return;
+    }
+    else {
+        cerr << "What color for a stroke do you want?" << endl;
+        cin >> colors_stroke;
+        cerr << "What color to fill do you want?" << endl;
+        cin >> colors_fill;
+    }
+    return;
+}
 
 void
-show_histogram_svg(const vector<size_t>& bins) {
+show_histogram_svg(const vector<size_t>& bins, string colors_stroke, string colors_fill) {
     const auto IMAGE_WIDTH = 400;
     const auto IMAGE_HEIGHT = 300;
     const auto TEXT_LEFT = 20;
@@ -51,7 +72,7 @@ show_histogram_svg(const vector<size_t>& bins) {
     for (size_t bin : bins) {
         const double bin_width = (( IMAGE_WIDTH - TEXT_WIDTH ) / BLOCK_WIDTH ) * ( bin / maxel );
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, colors_stroke, colors_fill);
         top += BIN_HEIGHT;
     }
     svg_end();