* {
    margin: 0;
    padding: 0;
  }
  
  body {
    display: flex;
    justify-content: center;
    margin-top: 100px;
    background-color: #033959;
    color: #fff;
  }
  
  input {
    height: 16px;
    border-radius: 8px;
    border: 1px solid #777;
    width: 200px;
    padding: 8px;
  }
  
  label {
    width: 70px;
    display: inline-block;
  }
  
  button {
    width: 140px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid #4888ee;
    background-color: #4888ee;
    color: #fff;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #225fc1;
  }
  
  .mgb12 {
    margin-bottom: 12px;
  }
  
  .title {
    font-size: 24px;
    text-align: center;
    margin-bottom: 12px;
  }
  
  #login_btn {
    margin-right: 10px;
  }
  
  .info label {
    width: 140px;
    color: #53b4ec;
  }
  
  #userList div {
    border: 1px solid #c4c4c4;
    text-align: center;
    height: 24px;
  }