wp-calypso/client/blocks/importer/components/uploading-pane/uploading-pane.scss

.uploading-pane {
	cursor: pointer;
	position: relative;
	height: 200px;
	margin-bottom: 1rem;

	background-color: transparent;
	border: 1px dashed var(--studio-gray-10);
	border-radius: 4px;
	transition: all 200ms ease-out, color 100ms ease-out;
	fill: var(--color-neutral-20);
	font-size: $font-body;
	color: var(--studio-gray-50);
	text-align: center;

	input {
		visibility: hidden;
	}

	.accessible-focus &:focus {
		border-color: var(--color-neutral-20);
	}

	&:hover {
		border-color: var(--color-neutral-70);
		color: var(--studio-gray-80);

		svg {
			path {
				stroke: #2c3338;
			}
		}
	}

	p {
		margin-top: -0.5em;
	}

	.uploading-pane__upload-icon {
		color: var(--color-neutral-light);
	}

	.drop-zone {
		margin: 0;
		border: none;
		transition: none;

		.drop-zone__content {
			.drop-zone__content-icon {
				display: none;
			}
		}
	}

	.progress-bar {
		width: 80%;
	}
}

.importer__uploading-pane:hover .uploading-pane__upload-content .uploading-pane__upload-icon {
	color: var(--color-neutral-70);
}

.uploading-pane__description {
	font-size: $font-body-small;
	color: var(--studio-gray-50);

	.inline-support-link {
		&:hover {
			color: var(--studio-gray-100);
		}

		white-space: pre;
		text-decoration: underline;
		color: inherit;
	}
}

.uploading-pane__upload-content {
	position: absolute;
	top: 50%;
	left: 0;
	right: 0;
	text-align: center;
	transform: translateY(-50%);

	svg {
		display: none;
	}

	p {
		margin: 0;
	}

	&.importer-upload-success {
		color: var(--color-success);
	}

	&.importer-upload-failure {
		color: var(--color-error);
	}

	&.importer-ready-for-upload {
		display: flex;
		align-items: center;
		justify-content: center;

		svg {
			display: block;
		}

		p {
			margin: 0 0 0 12px;
		}
	}
}