.form {

    &__label {
        display: block;
        margin-bottom: $lineheight / 3;
    }

    &__input {
        margin-bottom: $lineheight;

        &--error {

            .input {
                border-color: $night-shadz;
                background-color: lighten($night-shadz, 50);
            }

            .error-msg {
                font-weight: 600;
                color: $night-shadz;
            }
        }

        &--flush {
            margin: 0;
        }
    }

    &__loader {
        top: 6px;
        left: 16px;
    }

}
.form {

    &__label {
        display: block;
        margin-bottom: $lineheight / 3;
    }

    &__input {
        margin-bottom: $lineheight;

        &--error {

            .input {
                border-color: $night-shadz;
                background-color: lighten($night-shadz, 50);
            }

            .error-msg {
                font-weight: 600;
                color: $night-shadz;
            }
        }

        &--flush {
            margin: 0;
        }
    }

    &__loader {
        top: 6px;
        left: 16px;
    }

}

.fieldset {
    margin-bottom: $lineheight / 2;
    border: 0;
}
Add simple styling to fiedlset elements used on radio groups
Add simple styling to fiedlset elements used on radio groups
