.flash.success {
    background-color: seagreen;
    padding: 10px 20px;
    border-radius: 5px;
    color: white;
    border: 1px solid green;
}

.form__group.form__group-error input, .form__group.form__group-error textarea {
    border: 1px solid red;
    background-color: pink;
}

.form__group.form__group-error .form__error-message {
    color: red;
    text-align: right;
    width: 100%;
    display: block;
}

.form__checkbox.form__checkbox-error label::before {
    border: 1px solid red;
    background-color: pink;
}