.was-validated input:required:valid {
    border: 1px solid #228b22;
}
.was-validated input:required:invalid {
    border:  1px solid #c74a5a;
}

.was-validated textarea:required:valid {
    border: 1px solid #228b22;
}
.was-validated textarea:required:invalid {
    border:  1px solid #c74a5a;
}

.was-validated select:required:valid {
    border: 1px solid #228b22;
}
.was-validated select:required:invalid {
    border:  1px solid #c74a5a;
}