woocommerce/plugins/woocommerce-admin/client/dashboard/dashboard-charts/block.scss

.woocommerce-dashboard__chart-block-wrapper {
	cursor: pointer;
	&:hover {
		.woocommerce-chart,
		.woocommerce-card__header {
			background: #f8f9f9;
		}
		.woocommerce-legend__item button {
			background: transparent;
		}
	}
	.woocommerce-chart__footer {
		position: relative;
		&::after {
			content: '';
			position: absolute;
			width: 100%;
			height: 100%;
			left: 0;
			top: 0;
			cursor: pointer;
			z-index: 1;
		}
	}
}

.woocommerce-dashboard__chart-block {
	.woocommerce-card__body {
		padding: 0;
		position: relative;

		.woocommerce-chart {
			border: none;
			margin: 0;

			.woocommerce-legend__item > button {
				cursor: default;
				&:hover {
					background: $gray-100;
				}
				.woocommerce-legend__item-container {
					cursor: default;
					.woocommerce-legend__item-checkmark.woocommerce-legend__item-checkmark-checked::after {
						display: none;
					}
				}
			}

			&:hover {
				background: $gray-100;
				.woocommerce-legend__item > button {
					background: $gray-100;
				}
			}
		}
	}

	&:hover {
		background: $gray-100;
	}

	.screen-reader-text:focus {
		clip: auto;
		clip-path: none;
		z-index: 1;
		left: 6px;
		top: 7px;
		height: auto;
		width: auto;
		display: block;
		@include font-size( 14 );
		font-weight: 600;
		padding: 15px 23px 14px;
		background: #f1f1f1;
		color: #0073aa;
		text-decoration: none;
		box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
	}
}