* {
    margin: 0px;
    padding: 0px;
  }
  body {
    font-size: 120%;
    background: #F8F8FF;
  }
  
  .header {
    /* width: ;
    margin: ; */
    color: white;
    background:  #1511ce;
    text-align: center;
    border: 1px solid #B0C4DE;
    border-bottom: none;
    border-radius: 10px 10px 0px 0px;
    padding: 20px;
  }
  form, .content {
    width: 30%;
    margin: 0px auto;
    padding: 20px;
    border: 1px solid #1b63c0;
    background: white;
    border-radius: 0px 0px 10px 10px;
  }
  .input-group {
    margin: 10px 0px 10px 0px;
  }
  .input-group label {
    display: block;
    text-align: left;
    margin: 3px;
  }
  .input-group input {
    height: 30px;
    width: 93%;
    padding: 5px 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid gray;
  }
  .btn {
    padding: 10px;
    font-size: 15px;
    color: rgb(246, 246, 248);
    background: #2113e4;
    border: none;
    border-radius: 5px;
  }
  .error {
    width: 92%; 
    margin: 0px auto; 
    padding: 10px; 
    border: 1px solid #a94442; 
    color: #a94442; 
    background: #f2dede; 
    border-radius: 5px; 
    text-align: left;
  }
  .success {
    color: #144adf; 
    background: #dff0d8; 
    border: 1px solid #3b31c2;
    margin-bottom: 20px;
  }
  
  .topnav {
    overflow: hidden;
    background-color: #333;
  }
  
  .topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }
  
  .topnav a:hover {
    background-color: #ddd;
    color: black;
  }
  
  .topnav a.active {
    background-color: #2e4bf0;
    color: white;
  }