.tooltipster-error {
	box-shadow: 0px 12px 14px 0px rgba(0, 0, 0, 0.25);
	border-radius: 5px; 
	background: linear-gradient(to bottom, #ff0000 10%, #c90000 90%); 
	color: #ffffff;
}
.tooltipster-error .tooltipster-content {
	font-family: Arial, sans-serif;
	font-size: 14px;
	line-height: 16px;
	padding: 8px 10px;
}

.tooltipster-error .tooltipster-arrow-left span, .tooltipster-error .tooltipster-arrow-right span {
	background: linear-gradient(-45deg, #c90000 -100%, #ff0000 200%); 
}

.tooltipster-error .tooltipster-arrow-top span, .tooltipster-error .tooltipster-arrow-top-right span, .tooltipster-error .tooltipster-arrow-top-left span {
	background: linear-gradient(-45deg, #c90000 70%, #ff0000 300%);     
}

.tooltipster-error .tooltipster-arrow-bottom span, .tooltipster-error .tooltipster-arrow-bottom-right span, .tooltipster-error .tooltipster-arrow-bottom-left span {
	background: linear-gradient(-45deg, #c90000 -300%, #ff0000 30%);     
}