diff --git a/app/src/main/res/drawable/box_green.png b/app/src/main/res/drawable/box_green.png
new file mode 100644
index 00000000..16563e6f
Binary files /dev/null and b/app/src/main/res/drawable/box_green.png differ
diff --git a/app/src/main/res/drawable/box_red.png b/app/src/main/res/drawable/box_red.png
new file mode 100644
index 00000000..dbbd1374
Binary files /dev/null and b/app/src/main/res/drawable/box_red.png differ
diff --git a/app/src/main/res/drawable/box_yellow.png b/app/src/main/res/drawable/box_yellow.png
new file mode 100644
index 00000000..4f1ae3ad
Binary files /dev/null and b/app/src/main/res/drawable/box_yellow.png differ
diff --git a/app/src/main/res/drawable/green.png b/app/src/main/res/drawable/dot_green.png
similarity index 100%
rename from app/src/main/res/drawable/green.png
rename to app/src/main/res/drawable/dot_green.png
diff --git a/app/src/main/res/drawable/red.png b/app/src/main/res/drawable/dot_red.png
similarity index 100%
rename from app/src/main/res/drawable/red.png
rename to app/src/main/res/drawable/dot_red.png
diff --git a/app/src/main/res/drawable/yellow.png b/app/src/main/res/drawable/dot_yellow.png
similarity index 100%
rename from app/src/main/res/drawable/yellow.png
rename to app/src/main/res/drawable/dot_yellow.png