/*--------------------------------------------------------------
# Login con magia
--------------------------------------------------------------*/
@keyframes rotate {
	100% {
		transform: rotate(1turn);
	}
}
.rainbow {
	position: relative;
	z-index: 0;
	border-radius: 10px;
	overflow: hidden;
	padding: 2rem;
}
	.rainbow::before {
		content: '';
		position: absolute;
		z-index: -2;
		left: -125%;
		top: -125%;
		width: 350%;
		height: 350%;
		background-color: #e9e9e9;
		background-repeat: no-repeat;
		background-size: 50% 50%, 50% 50%;
		background-position: 0 0, 100% 0, 100% 100%, 0 100%;
		background-image: linear-gradient(#000000, #000000), linear-gradient(#e9e9e9, #e9e9e9), linear-gradient(#000000, #000000), linear-gradient(#e9e9e9, #e9e9e9);
		animation: rotate 4s linear infinite;
	}

	.rainbow::after {
		content: '';
		position: absolute;
		z-index: -1;
		left: 6px;
		top: 6px;
		width: calc(100% - 12px);
		height: calc(100% - 12px);
		background: white;
		border-radius: 5px;
	}