nextcloud-server/core/css/update.css

#update-progress-icon {
	height: 32px;
	margin: 10px;
	background-size: 32px;
}

#update-progress-message-error,
#update-progress-message-warnings {
	font-weight: 600;
	margin-bottom: 10px;
}

#update-progress-message {
	margin-bottom: 10px;
}

.update-show-detailed {
	padding: 13px;
	display: block;
	opacity: .75;
}

#body-login .update a.update-show-detailed {
	border-bottom: inherit;
}

#update-progress-detailed {
	text-align: left;
}

#body-login .warning.hidden {
	display: none;
}