.login-div {
  display: flex;
  flex-direction: column;
  border: 1px solid black;
  padding: 10px;
  width: 40vw;
}

.login-div div {
  display: flex;
  flex-grow: 1;
  margin: 5px;
}

.login-div label {
  flex-grow: 0;
  min-width: 100px;
  font-weight: bold;
}

.login-mandatory:before {
  content: '*';
  margin-right: 4px;
  color: red;
}

.login-div input {
  flex-grow: 1;
  min-width: 100px;
}

.login-div .buttons-div {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
}

@media all and (max-width: 500px) {
  .login-div {
    width: 70vw;
  }
}