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

body {
  height:100vh;
  display:flex;
  justify-content:center;
  font-size:18px;
  background-color:#333;
}

.container {
  margin-top: 10vh;
}

.container h2 {
  color:#ffffff;
  font-size:2em;
  margin-bottom:2vh;
  text-align:center;
}

.btn-div {
  text-align:center;
}

.container button {
  margin-top:8vh;
  padding:8px 15px;
  font-size: 22px;
  background-color:orange;
  border: none;
  color: #ffffff;
  border-radius: 20px;
}

.container button:hover {
  background-color:orangered;
}

.form-container form span {
  font-size:22px;
  color:olivedrab;
}

.form-container form input, .form-container form select {
  margin-top:3vh;
  width:23vw;
  padding:7px 5px;
  font-size:18px;
}

.form-container form .username-text {
  margin-right:20px;
}

.form-container form .email-text {
  margin-right:55px;
}

.form-container form .group-text {
  margin-right:52px;
}

.error-msg {
  text-align:center;
  color:red;
  font-size:22px;
  margin-top:7vh;
}

.success-msg {
  text-align:center;
  color:green;
  font-size:22px;
  margin-top:7vh;
}