* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  padding: 50px;
}
.container {
  background-color: rgb(111, 195, 239);
  border: 3px solid black;
  border-radius: 2%;
  max-width: 550px;
  margin: auto;
}

h1 {
  text-align: center;
  margin-top: 30px;
  margin-bottom: 15px;
  text-transform: uppercase;
  color: rgb(5, 75, 145);
}

h2 {
  margin-bottom: 15px;
}

h3 {
  margin-bottom: 15px;
}

form {
  max-width: 450px;
  margin: auto;
  color: rgb(5, 75, 145);
}

form div {
  padding: 15px 0;
}

form div label {
  display: block;
  font-weight: bold;
  font-size: 16px;
}

form div input {
  height: 45px;
  width: 100%;
  font-size: 18px;
  padding: 0 10px;
  background-color: rgb(202, 223, 245);
  border-radius: 5px;
}

form div button {
  padding: 10px 30px;
  font-size: 18px;
  background-color: rgb(44, 100, 156);
  color: rgb(235, 225, 225);
  border-radius: 5px;
  margin-left: 35%;
}

form ul {
  list-style: none;
}

form ul li {
  color: red;
}