.rainbow:hover {
	color: rgb(255, 196, 196);
	animation: 4s linear infinite rainbow;
	-webkit-animation: 4s linear infinite rainbow;
	-moz-animation: 4s linear infinite rainbow;
}

@keyframes rainbow {
    0% { filter: hue-rotate(0deg) contrast(150%) saturate(150%); }
    100% { filter: hue-rotate(360deg) contrast(150%) saturate(150%); }
}