update .input-validation-error style like this -
where "/Images/error_arrow.png" is image path to show with control
.input-validation-error {
background-image: url(/Images/error_arrow.png;) !important;
background-position: 100% 50% !important;
background-repeat: no-repeat !important;
border-color: red !important;
border-style: solid !important;
}