- enhanced modal animations

src/index.css

@@ -37,3 +37,33 @@ body {
   stroke-width: 20px;
   stroke-linejoin: round;
 }
+
+/* Modal animations */
+.ReactModal__Overlay {
+  opacity: 0;
+  transition: opacity 200ms ease-in-out;
+}
+
+.ReactModal__Overlay--after-open {
+  opacity: 1;
+}
+
+.ReactModal__Overlay--before-close {
+  opacity: 0;
+}
+
+.ReactModal__Content {
+  transform: scale(0.9) translateY(-20px);
+  opacity: 0;
+  transition: all 200ms ease-in-out;
+}
+
+.ReactModal__Content--after-open {
+  transform: scale(1) translateY(0);
+  opacity: 1;
+}
+
+.ReactModal__Content--before-close {
+  transform: scale(0.9) translateY(-20px);
+  opacity: 0;
+}