woocommerce/plugins/woocommerce-admin/client/customize-store/style.scss

.woocommerce-layout .woocommerce-layout__main {
	@include breakpoint( '<782px' ) {
		padding-top: 0 !important;
	}
}

.woocommerce-customize-store {
	background-color: #fff;

	#woocommerce-layout__primary {
		margin: 0;
		width: 100%;
	}

	.woocommerce-layout__main {
		padding-right: 0;
	}
}

body.woocommerce-customize-store.js.is-fullscreen-mode {
	margin-top: 0 !important;
}

.woocommerce-cys-layout {
	display: flex;
	flex-direction: column;
	align-items: center;

	h1 {
		text-align: center;
		color: #000;
		font-size: 32px;
		font-style: normal;
		font-weight: 500;
		line-height: 40px; /* 125% */
		margin-top: 100px;
		margin-bottom: 60px;
	}

	.woocommerce-cys-page {
		width: 615px;
		display: flex;
		flex-direction: column;
		align-items: center;
	}

	button.is-primary {
		width: 404px;
		display: block;
		height: 48px;
		margin-top: 32px;
	}
}

.woocommerce-cys-design-with-ai {

	.components-base-control {
		width: 404px;
		textarea {
			margin: 0 0 12px 0;
			height: 167px;
			border-radius: 2px;
			border: 1px solid #bbb;
			background: #fff;
			color: $gray-900;
			font-size: 13px;
			font-style: normal;
			font-weight: 400;
			line-height: 18px; /* 138.462% */
			&::placeholder {
				color: #757575;
			}
		}
	}

	.woocommerce-cys-design-with-ai-guide {
		padding: 12px;
		width: 404px;
		border-radius: 2px;
		background: var(--gutenberg-transparent-blueberry, rgba(56, 88, 233, 0.04));
		color: var(--gutenberg-gray-800, #2f2f2f);

		p {
			padding: 0;
			margin: 0;
			font-size: 13px;
			font-style: normal;
			font-weight: 500;
			line-height: 20px; /* 153.846% */
		}
		ul {
			list-style: inside;
			margin-left: 8px;
			li {
				font-weight: 400;
			}
		}
	}
}

.woocommerce-cys-design-with-ai-look-and-feel,
.woocommerce-cys-design-with-ai-tone-of-voice {
	.choices {
		width: 404px;
		display: flex;
		flex-direction: column;
		gap: 16px;
	}
}