.form-error {
    background-color: #b71609;
    border-radius: 4px;
    color: #fff;
    font-size: 12px;
    list-style: none;
    margin: 5px 0 0;
    padding: 3px 5px;
    position: relative;
    z-index: 1000;
}

.form-error:before {
    border: 5px solid transparent;
    border-bottom: 5px solid #b71609;
    border-top: 0;
    content: "";
    display: block;
    left: 50%;
    position: absolute;
    top: 0;
    transform: translate(-50%,-100%);
    width: 0;
}

select.input-error, input.input-error {
    border-color: #b71609;
}

.required:not(.form-check-label):after {
    content: " *";
    color: red;
}