CSS Style

styles.css

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 20px;
  width: 60%;
  margin: 10px auto;
}

.errorMsg {
  max-width: 350px;
  color: #f21e08;
  padding: 2px 0;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 300;
}

.form-control {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}

.form-control label {
  width: 20%;
  padding-right: 20px;
  margin-bottom: 5px;
}

.form-control input[type="text"],
.form-control input[type="password"] {
  width: 40%;
  padding: 5px;
}

button {
  max-width: 150px;
  padding: 5px 10px;
}

@media screen and (max-width: 600px) {
  body {
    width: 90%;
  }

  .errorMsg {
    max-width: 100%;
  }

  .form-control {
    flex-direction: column;
  }

  .form-control input[type="text"],
  .form-control input[type="password"] {
    width: inherit;
  }
}