.hero {
/* Fallback */
//**background-color: #0A0A4F;

/* Neon sweep */
background-color:hsla(237,80%,20%,1);
background-image:
radial-gradient(at 40% 20%, hsla(246,55%,19%,1) 0px, transparent 50%),
radial-gradient(at 80% 0%, hsla(224,92%,40%,1) 0px, transparent 50%),
radial-gradient(at 0% 50%, hsla(274,60%,50%,1) 0px, transparent 50%),
radial-gradient(at 80% 50%, hsla(224,92%,40%,1) 0px, transparent 50%),
radial-gradient(at 0% 100%, hsla(246,55%,19%,1) 0px, transparent 50%),
radial-gradient(at 80% 100%, hsla(238,79%,17%,1) 0px, transparent 50%),
radial-gradient(at 0% 0%, hsla(224,92%,40%,1) 0px, transparent 50%);
);
}