style.css

body {
  padding: 0;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #000;
  color: #fff;
}

.wrapper {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.form-body {
  padding: 20px 40px;
  background-color: #fff1;
  border-radius: 7px;
  max-width: 340px;
}

.form-item {
  width: 100%;
  margin: 20px 0;
}

.form-label {
  display: block;
  font-size: 18px;
  font-weight: bold;
}

.form-input {
  margin-top: 5px;
  outline: 0;
  border: 0;
  background: transparent;
  border-bottom: 1px solid white;
  font-size: 16px;
  padding: 5px 0;
  color: #ddd;
  width: 100%;
}

.form-btn {
  width: 100%;
  padding: 10px;
  font-size: 18px;
  background-color: #9146ff;
  color: white;
  border: none;
  outline: none;
  border-radius: 7px;
  cursor: pointer;
}

.toast {
  background-color: #333;
  padding: 3px 5px;
  border-left: 3px solid orange;
  color: orange;
  display: none;
}