wp-calypso/packages/components/src/ribbon/style.scss

@import "../styles/typography";

.ribbon {
	font-family: $a8c-font-family-sans;
	position: absolute;
	right: -5px;
	top: -5px;
	z-index: z-index("root", ".ribbon");
	overflow: hidden;
	width: 75px;
	height: 75px;
	text-align: right;
}
.ribbon .ribbon__title {
	font-size: 10px;
	font-weight: normal;
	color: var(--color-text-inverted);
	text-align: center;
	line-height: 20px;
	transform: rotate(45deg);
	-webkit-transform: rotate(45deg);
	width: 100px;
	display: block;
	background: var(--color-accent);
	position: absolute;
	top: 19px;
	right: -21px;
	text-transform: uppercase;
}
.ribbon .ribbon__title::before {
	content: "";
	position: absolute;
	left: 0;
	top: 100%;
	z-index: z-index(".ribbon", ".ribbon__title::before");
	border-left: 3px solid var(--color-accent-dark);
	border-right: 3px solid transparent;
	border-bottom: 3px solid transparent;
	border-top: 3px solid var(--color-accent-dark);
}
.ribbon .ribbon__title::after {
	content: "";
	position: absolute;
	right: 0;
	top: 100%;
	z-index: z-index(".ribbon", ".ribbon__title::after");
	border-left: 3px solid transparent;
	border-right: 3px solid var(--color-accent-dark);
	border-bottom: 3px solid transparent;
	border-top: 3px solid var(--color-accent-dark);
}

.ribbon.is-green {
	.ribbon__title {
		background-color: var(--color-success);
	}
	.ribbon__title::before {
		border-left-color: var(--color-success-dark);
		border-top-color: var(--color-success-dark);
	}
	.ribbon__title::after {
		border-right-color: var(--color-success-dark);
		border-top-color: var(--color-success-dark);
	}
}