wp-calypso/client/jetpack-cloud/sections/partner-portal/partner-program-opt-in-fieldset/style.scss

.partner-program-opt-in-field {
	// gives SVG icon better vertical alignment with text
	&__details-icon-button {
		vertical-align: sub;
		padding: 0;
	}

	&__details-popover {
		.popover__inner {
			display: flex;
			gap: 16px;
			padding: 16px;
			flex-direction: column;
			align-items: flex-start;
		}

		h2 {
			font-size: rem(14px);
			line-height: 1.5;
		}

		p {
			color: var(--studio-gray-80);
			font-size: rem(12px);
			line-height: 1.5;
			max-width: 300px;
			text-align: left;
			margin-block-end: 0;
		}

		.button {
			padding: 4px 8px;
			font-size: rem(12px);
		}

		svg {
			vertical-align: text-top;
		}
	}

}