.gbb-box-builder {
	margin: 1.5em 0;
	padding: 1.25em;
	border: 1px solid #e0e0e0;
	border-radius: 6px;
	background: #fafafa;
}

.gbb-box-builder .gbb-instructions {
	margin: 0 0 1em;
	font-weight: 600;
}

.gbb-box-builder .gbb-slot {
	margin-bottom: 1em;
}

.gbb-box-builder .gbb-slot:last-child {
	margin-bottom: 0;
}

.gbb-box-builder .gbb-slot label {
	display: block;
	font-weight: 600;
	margin-bottom: 0.35em;
}

.gbb-box-builder .gbb-slot-hint {
	font-weight: 400;
	color: #777;
	font-size: 0.9em;
}

.gbb-box-builder .gbb-slot-select {
	width: 100%;
	max-width: 420px;
	padding: 0.5em;
}

.gbb-box-builder .gbb-slot-empty {
	display: block;
	color: #b32d2e;
	font-size: 0.9em;
	margin-top: 0.35em;
}

button.single_add_to_cart_button.gbb-disabled {
	opacity: 0.5;
	cursor: not-allowed;
}