udpate

src/index.css

@@ -14,12 +14,26 @@ body {
   margin: 0;
   padding: 0;
   font-family: "Roboto", serif;
+  background-color: #fff;
 }
 
 .Oxygen {
   font-family: "Oxygen", serif
 }
 
+/* Change text selection color */
+::selection {
+  background-color: #02A0A0; /* Yellow */
+  color: #fff; /* Black */
+}
+
+/* For Firefox */
+::-moz-selection {
+  background-color: #02A0A0;
+  color: #fff;
+}
+
+
 
 .active {
   background-color: #02A0A0 !important;