body {
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
  }
  
  .container {
    width: 50%;
    margin: 0 auto;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }

  #grades{
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px;

  }
  
  input[type="number"] {
    width: 50px;
    padding: 10px 5px;
    margin: 10px;
    outline: none;
    border: 0.5px solid orange;
    margin-top: 5px;


  }
  
  button {
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    border: none;
   border-radius: 5px;
   margin-bottom: 5px;
    
    cursor: pointer;
  }
  
  button:hover {
    background-color: #0056b3;
  }
  
  #result {
    margin-top: 20px;
  }