style.css

@import url("https://fonts.googleapis.com/css2?family=Open+Sans:wght@500&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: none;
  outline: none;
  font-family: "Open Sans", sans-serif;
}

html,
body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fafafa;
}

h2 {
  color: #7269c2;
  margin-bottom: 20px;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-bottom: 10px;
  font-size: 16px;
  font-family: "Open Sans", sans-serif;
}

button {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  margin-bottom: 10px;
  font-size: 16px;
  font-family: "Open Sans", sans-serif;
  background-color: #7269c2;
  color: white;
}

div#error-msg {
  color: #cc3e3e;
  font-size: 12px;
  display: none;
}