Sith/core/static/user/login.scss

html,
body {
  box-sizing: border-box;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

#page {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  #content {
    display: flex;
    flex-direction: column;
    padding: 10px;
    box-shadow: none;
    background-color: white;
    margin: 0;

    .alert {
      word-wrap: break-word;
      white-space: normal;
      text-align: center;
      display: block;
      width: fit-content;
    }

    >.title {
      text-align: center;
      margin: 0;
    }

    >div,
    >form {
      box-sizing: border-box;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      width: 100%;
      max-width: 500px;
      margin-top: 20px;

      input[type="submit"] {
        width: 100%;
        max-width: 300px;
        margin: 0;
      }

      .errorlist {
        color: red;
        text-align: center;
        margin: 10px 0 0 0;
        list-style-type: none;
      }

      div, fieldset {
        max-width: 300px;
      }
      .captcha {
        box-sizing: border-box;

        >img {
          width: 70px;
          object-fit: contain;
        }
      }
    }
  }
}