/**BEGIN CSS SELECT BIRTH DATE**/
select.date_birth_input{
    border: 0;
    border-color: transparent;
    border-bottom: 1px solid #555;
    padding: 10px 0 5px 0;
    margin-right: 0;
    outline: none;
}
select.date_birth_input:focus {
    border-color: #6BB02E!important;
}
select.date_birth_input option, select.date_birth_input{
    background: transparent;
    color: #555;
}
/**END CSS SELECT BIRTH DATE**/