style.css

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background-color: rgb(219, 51, 253);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  
}

.container {
  background-color: white;
  width: 700px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 3px 3px 20px rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

h1 {
  font-size: 28px;
  margin: 10px;
}

input {
  width: 90%;
  height: 40px;
  border: 2px solid rgba(0, 0, 0, 0.6);
  padding: 5px 10px;
  font-size: 18px;
  margin-bottom: 10px;
}

.btn {
  background-color: rgb(219, 51, 253);
  padding: 10px 30px;
  border-radius: 10px;
  border: 2px solid rgba(0, 0, 0, 0.4);
  font-size: 18px;
  margin-top: 5px;
  font-weight: 500;
  box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  /* display: inline-block; */
}

.error {
  background-color: rgb(255, 139, 139);
  padding: 5px 0;
  width: 70%;
  text-align: center;
  display: none;
}

h3 {
  margin-top: 5px;
  font-size: 22px;
}

.message {
  font-size: 18px;
  color: rgb(44, 29, 255);
  font-weight: bold;
  margin-top: -5px;
}