.usso-login {
  position: relative;

  &__notification {
    background: $white;
    box-shadow: $box-shadow;
    box-sizing: border-box;
    color: $warm-grey;
    font-size: 0.875rem;
    line-height: normal;
    margin: 10px auto 0;
    padding: 12px 25px;
    position: absolute;
    z-index: index($z-indexed-elements, environment-help);
    top: 100%;
    right: 10px;
    width: 280px;
    display: none;
  }

  &__action:hover + &__notification {
    display: block;
  }
}
.usso-login {
  position: relative;

  &__notification {
    background: $white;
    box-shadow: $box-shadow;
    box-sizing: border-box;
    color: $warm-grey;
    font-size: .875rem;
    line-height: normal;
    margin: 10px auto 0;
    padding: 12px 25px;
    position: absolute;
    z-index: index($z-indexed-elements, environment-help);
    top: 100%;
    right: 10px;
    width: 280px;
    display: none;
  }

  &__action:hover + &__notification {
    display: block;
  }
}
Remove the pesky leading 0
Remove the pesky leading 0
