Create Banner curved shadow

<!DOCTYPE html> <html> <head> <style type=’text/css’> body { margin: 24px; } h1 { background: #139573; border-bottom: 4px solid #fff; color: #fff; font-family: sans-serif; font-size: 24px; font-weight: normal; line-height: 70px; margin: 0; position: relative; text-align: center; } h1 strong { font-weight: bold; } h1::before { background: transparent; box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35); border-radius: