.hidden {
	display: none;
}

span.field-error {
	font-size: 0.9em; color: #c00;
}

.tab-container {
	padding: 24px 24px;
}

.nav-tabs a.inv {
	display: none;
}

.nav-tabs a.inv.active {
	display: inline-block;
}

.form-check-label:hover {
	text-decoration: underline; cursor: pointer;
}

.btn {
    position: relative;
}

.loading-indicator-block {
    position: absolute; left: 0; top: 0; width: 100%; height: 100%;
    background: #007bff url(loading.gif) no-repeat center center;
    display: none;
}

.form.busy .loading-indicator-block {
    display: inline-block;
}