.hidden {
	display: none;
}

.clear {
	clear: both;
}

.text-left {
	text-align: left;
}

.text-center {
	text-align: center;
}

.text-right {
	text-align: right;
}

.green {
	color: green;
}

.red {
	color: red;
}

.grey {
	color: #aaa;
}

.block-center {
	margin-left: auto;
	margin-right: auto;
}


.amber {
	color: orange;
}

.invalid {
	border: 1px solid red !important;
}

.error-message {
	color: red;
}