discourse/app/assets/stylesheets/common/base/login.scss

body.invite-page {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, Arial, sans-serif;

  #main-outlet-wrapper {
    padding: 0;
  }
}

.invites-show,
.admin-invite-page {
  #modal-alert {
    box-sizing: border-box;
    display: inline-block;

    // if you want to use flexbox here make sure child elements like <b> don't cause line breaks
    padding: 1em 3.5em 1em 1em; // large right padding to make sure long text isn't under the close button
    width: 100%;
    max-width: 100%;
    margin-bottom: 0;
    min-height: 35px;
  }

  #modal-alert:empty {
    min-height: 0;
    padding: 0;
    overflow: hidden;
    display: inline;
  }
}

#login-link,
#new-account-link {
  cursor: pointer;
  text-align: left;

  // the second button can wrap in some locales, and this helps alignment
}

.password-reset-page {
  .change-password-form {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    width: 400px;

    input {
      padding: 0.75em 0.77em;
      min-width: 250px;
      margin-bottom: 0.25em;
      width: 100%;
    }

    .input {
      position: relative;
      margin-bottom: 1em;
    }

    .tip {
      display: block;
    }
  }
}

.signup-fullpage .input-group input[type="password"] {
  padding-right: 3em;
}

.toggle-password-mask {
  position: absolute;
  right: 0;
  top: 0;
  padding: 0.75em 0.77em; // alligns with input padding

  .ios-device & {
    // reset form-item-sizing mixin styles
    padding: 0.7em;
    font-size: var(--font-0);
  }
}

.auth-message {
  padding: 0 15px 15px 15px;

  &:empty {
    padding: 0;
  }
}

#security-key {
  display: flex;
  flex-wrap: wrap;
  align-items: center;

  p {
    margin: 0;
    font-size: var(--font-0);
  }

  a {
    display: inline-block;
    padding: 1em 0.5em 1em 0;
    color: var(--tertiary);
  }

  button {
    margin-right: 1em;
  }
}

.email-login {
  border-radius: 10px;
  background-color: var(--secondary);
  padding: 20px;
  margin: 0 auto;

  .content-wrapper {
    padding: 1em 2.5em 1em 2.5em;

    .image-wrapper {
      text-align: center;
      padding-bottom: 1em;

      img {
        max-width: 200px;
      }
    }

    .email-login-form {
      text-align: center;

      .btn-primary {
        margin-top: 10px;
      }

      #security-key {
        justify-content: center;
      }
    }
  }
}