MyCrypto/common/sass/styles/overrides/forms.scss

// Form overrides
@import 'common/sass/variables';
@import 'common/sass/mixins';

label {
  margin-bottom: $space-xs;

  &.is-required:after {
    content: '*';
    padding-left: 2px;
    color: color(brand-warning);
  }
}

input[type='radio'],
input[type='checkbox'] {
  margin: 3px 0 0;
  line-height: normal;
}

input[readonly] {
  background-color: color(control-disabled-bg);
  cursor: text !important;
}

.form-group {
  display: block;
  margin-bottom: $form-group-margin-bottom;
}

.radio,
.checkbox {
  margin: 15px 0;
  font-weight: 500;
}

.help-block {
  &.is-valid {
    color: color(brand-success);
  }

  &.is-invalid {
    color: color(brand-danger);
  }

  &.is-semivalid {
    color: color(brand-warning);
  }
}