woocommerce/plugins/woocommerce-blocks/assets/js/base/components/radio-control/_mixin.scss

@mixin radio-control-styles {
	.wc-block-radio-control__option {
		border-bottom: 1px solid $core-grey-light-600;
		display: block;
		padding: $gap-small $gap-small 0 #{$gap-larger * 2};
		position: relative;
	}

	.wc-block-radio-control__option-layout {
		border-bottom: 1px solid $core-grey-light-600;
		display: flex;
		flex-wrap: wrap;
		justify-content: space-between;
		padding-bottom: $gap-small;
	}

	.wc-block-radio-control__option .wc-block-radio-control__option-layout {
		border-bottom: 0;
	}

	.wc-block-radio-control__input {
		left: $gap-large;
		position: absolute;
		top: $gap-small;
	}

	.wc-block-radio-control__label,
	.wc-block-radio-control__secondary-label {
		line-height: 20px;
		// Currently, max() CSS function calls need to be wrapped with unquote.
		// See: https://github.com/sass/sass/issues/2378#issuecomment-367490840
		line-height: unquote("max(1rem, 20px)");
		color: $core-grey-dark-600;
		flex-basis: 50%;
	}

	.wc-block-radio-control__description,
	.wc-block-radio-control__secondary-description {
		font-size: 0.875em;
		line-height: 20px;
		color: $core-grey-dark-400;
		flex-basis: 50%;
	}

	.wc-block-radio-control__secondary-label,
	.wc-block-radio-control__secondary-description {
		text-align: right;
	}
}

@mixin radio-control-input-styles {
	.wc-block-radio-control__input {
		appearance: none;
		background: #fff;
		border: 2px solid currentColor;
		border-radius: 50%;
		display: inline-block;
		height: 1.25rem;
		min-height: 20px;
		min-width: 20px;
		width: 1.25rem;

		&:checked::before {
			background: currentColor;
			border-radius: 50%;
			content: "";
			display: block;
			height: 0.625em;
			left: 50%;
			margin: 0;
			min-height: 10px;
			min-width: 10px;
			position: absolute;
			top: 50%;
			transform: translate(-50%, -50%);
			width: 0.625em;
		}
	}

	@include breakpoint( ">782px" ) {
		.wc-block-radio-control__input {
			height: 1rem;
			margin-top: 2px;
			min-height: 16px;
			min-width: 16px;
			width: 1rem;

			&:checked::before {
				height: 0.5em;
				min-height: 8px;
				min-width: 8px;
				width: 0.5em;
			}
		}
	}
}