woocommerce/plugins/woocommerce-admin/client/components/segmented-selection/style.scss

/** @format */

.woocommerce-segmented-selection {
	width: 100%;
}

.woocommerce-segmented-selection__container {
	width: 100%;
	grid-template-columns: 1fr 1fr;
	display: grid;
	border-top: 1px solid $gray;
	border-bottom: 1px solid $gray;
	grid-gap: 1px;
	background-color: $gray;
}

.woocommerce-segmented-selection__label {
	background-color: $white;
	padding: 1em;
	position: relative;
	display: block;
	height: 100%;
}

.woocommerce-segmented-selection__input {
	opacity: 0;
	position: absolute;
	left: -9999px;

	&:checked + label .woocommerce-segmented-selection__label {
		background-color: $gray-light-10;
		padding-left: calc(1em + 20px);

		&::before {
			content: '';
			width: 8px;
			height: 8px;
			background-color: #444;
			border-radius: 4px;
			position: absolute;
			top: 50%;
			transform: translate(-20px, -50%);
		}
	}

	&:focus + label .woocommerce-segmented-selection__label {
		outline: 1px solid lightseagreen;
	}
}