span.help-inline {
    color: #FB3A3A;
    display: inline-block;
    margin: 0px 0px 0px 00px; /* Top and Bottom to '0' */
    padding: 0;
    text-align: center;
    font-size: 12px;
}

input.help-inline {
    border-bottom: 1px solid #FB3A3A;
}