Biohazard Symbol — Black, Ominous

960 × 800

Warning Sign with Screw

1024 × 819

Radioactive Warning Symbol — Yellow, Dangerous

1280 × 800

Silhouette of Kicking Person

1920 × 1200

Danger Sign Text

1280 × 1024

Fallout Shelter Sign — Yellow

1920 × 1080

Skull and Crossbones Pattern — Black

1024 × 768

Stick Figure Falling — Yellow

1920 × 1200

Biohazard Symbol — Red, Warning, Illustration

1280 × 800

Person on Fire

1280 × 960

Biohazard Symbol — Red, Warning

1366 × 768

Caution: This is Sparta warning sign

1600 × 1200