* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgb(212, 243, 243);
  }
  
  nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 20px;
  }
  h1{
    color: #660202;
    font-size: 2.3rem;
  }
  .b{
    display: flex;
    gap: 50px;
  }
  #arrayContainer {
    display: grid;
    gap: 5px;
  }
  button {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: bold;
    color: #ffffff;
    background-color: #007BFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
  }
  
  button:active {
    background-color: #004080;
    transform: translateY(1px);
    box-shadow: 0px 3px 5px rgba(0, 0, 0, 0.2);
  }
  
  button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.5);
  }
  
  .cell {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #444444;
    font-weight: bold;
    background-color: white;
    }
  
  .cell.red {
    background-color: red;
    color: #fff;
  }
  
  .cell.green {
    background-color: green;
    color: #fff;
  }

  input[type="number"] {
    width: 100%; /* Full width, adjust as needed */
    padding: 10px 12px;
    font-size: 13px;
    font-family: Arial, sans-serif;
    color: #333;
    background-color: #f9f9f9;
    border: 2px solid #ddd;
    border-radius: 6px;
    outline: none;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }
  
  input[type="number"]:focus {
    border-color: #007BFF;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.3);
  }
  
  input[type="number"]::-webkit-outer-spin-button,
  input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none; /* Removes default spin buttons */
    margin: 0;
  }