A Gradient

background-image: linear-gradient(
    159.6deg,
    rgba(0,0,0,1) 29.1%, rgba(245,0,0,1) 32.5%, rgba(0,0,0,1) 35.1%, rgba(245,0,0,1) 37.2%, rgba(255,255,255,1) 39.1%, rgba(0,0,0,1) 41.2%
);