@media screen and (min-width: 1200px)  {
  html{
      margin-left: 150px;
      margin-right: 150px ;
  }       
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: #f2f2f2;
    font-family: Arial, sans-serif;
    
  }

  .calculator {
    background: #e7e4e4;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 320px;
  }

  #display {
    width: 93%;
    height: 50px;
    font-size: 24px;
    text-align: right;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #684f4f;
    border-radius: 6px;
    background-color: #f1ecec;
  }

  .buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  button {
    border: 1px solid #FAF6E9;
    padding: 20px;
    font-size: 18px;
    border-radius: 6px;
    cursor: pointer;
    background-color: #ececec;
    transition: background 0.2s;
  }

  button:hover {
    background-color: #d1d1d1;
  }

  .zero {
    grid-column: span 2;
  }

  h1{
      padding-left: 200px;
  }


  h2{
      font-family: Arial, Helvetica, sans-serif;
      padding-left: 200px;
      width: 70%;
      align-items: justify;
      font-size: 20px;
  }
  pre{
      font-family: Arial, Helvetica, sans-serif;
      font-size: 18px;
      padding-left: 200px;
      font-weight: bolder;
  }
  .phone{
    display: none;
  }
}
@media screen and (min-width: 360px) and (max-width: 799px) {
  html {
    margin-left: 50px;
    margin-right: 50px;
  }

  body {
    display: flex;
    flex-direction: row; /* Arrange items in a row */
    justify-content: center;
    align-items: flex-start; /* Align top of calculator and text */
    gap: 20px; /* Space between calculator and text */
    padding: 20px;
    background: #f2f2f2;
    font-family: Arial, sans-serif;
    margin: 0;
    height: auto; /* allow scrolling if content is tall */
    flex-wrap: wrap; /* wrap on small screens */
  }

  .calculator {
    background: #e7e4e4;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    width: 320px;
    flex-shrink: 0; /* Don't shrink calculator */
  }

  #display {
    width: 93%;
    height: 50px;
    font-size: 24px;
    text-align: right;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #684f4f;
    border-radius: 6px;
    background-color: #f1ecec;
  }

  .buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  button {
    border: 1px solid #FAF6E9;
    padding: 20px;
    font-size: 18px;
    border-radius: 6px;
    cursor: pointer;
    background-color: #ececec;
    transition: background 0.2s;
  }

  button:hover {
    background-color: #d1d1d1;
  }

  .zero {
    grid-column: span 2;
  }

  /* Container for heading and description */
  .description {

    padding: 10px;
  }

  .description h1 {
    font-size: 20px;
  }

  .description h2 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    text-align: left;

    
  }

  .description pre {

    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    font-weight: bold;

  }
  .computer{
    display: none;
  }
}
@media screen and (min-width: 800px) and (max-width: 1199px) {
  html {
    margin-left: 150px;
    margin-right: 150px;
  }

  body {
    display: grid;
    grid-template-rows: repeat(2,1fr);
    background: #f2f2f2;
    font-family: Arial, sans-serif;
    
  }

  .calculator {
    background: #e7e4e4;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    height: 460px;
  }

  #display {
    width: 93%;
    height: 50px;
    font-size: 24px;
    text-align: right;
    padding: 10px;
    margin-bottom: 20px;
    border: 2px solid #684f4f;
    border-radius: 6px;
    background-color: #f1ecec;
  }

  .buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  button {
    border: 1px solid #FAF6E9;
    padding: 20px;
    font-size: 18px;
    border-radius: 6px;
    cursor: pointer;
    background-color: #ececec;
    transition: background 0.2s;
  }

  button:hover {
    background-color: #d1d1d1;
  }

  .zero {
    grid-column: span 2;
  }

  h1, h2, pre {
    font-family: Arial, Helvetica, sans-serif;
  }

  h2 {
    width: 70%;
    font-size: 20px;
  }

  pre {
    font-size: 18px;
    font-weight: bolder;
  }

  .phone {
    display: none;
  }
}