* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
  }
  
  body {
    background-color: #f2f2f2;
    color: #333;
  }
  
  .calculator-box {
    width: 50%;
    max-width: 600px;
    margin: 100px auto;
    background-color: #fff;
    border: 2px solid #3d515c;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    font-family: "Times New Roman", Times, serif;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    background-color: #3d515c;
    color: #fff;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  }
  
  p {
    font-size: 16px;
    text-align: center;
    margin-bottom: 20px;
  }
  
  #course-wrapper {
    text-align: center;
    margin-bottom: 20px;
  }
  
  form {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 10px;
    align-items: center;
    margin-bottom: 10px;
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.75s;
  }
  
  form:hover {
    transform: scale(1.02);
  }
  
  input,
  select {
    font-family: "Times New Roman", Times, serif;
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 14px;
    outline: none;
    background-color: #f2f2f2;
    color: #333;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  
  input:focus,
  select:focus {
    border-color: #3d515c;
    box-shadow: 0px 0px 5px rgba(61, 81, 92, 0.3);
  }
  
  input:hover,
  select:hover {
    border-color: #3d515c;
  }
  
  button {
    font-family: "Times New Roman", Times, serif;
    width: 100%;
    height: 40px;
    margin-top: 10px;
    border: none;
    border-radius: 5px;
    background-color: #3d515c;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
  }
  
  button:hover {
    background-color: #1f2a33;
  }
  
  .lastp {
    border: 1px solid #3d515c;
    background-color: #3d515c;
    text-align: center;
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0px 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .lastp p {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    font-family: "Times New Roman", Times, serif;
  }
  
  /* .lastp p:hover {
    background-color: #1f2a33;
    cursor: pointer;
  } */
  
  @media screen and (max-width: 600px) {
    .calculator-box {
      width: 100%;
    }
  }
  
  /* Additional Styles for Fuller Look */
  
  .calculator-box {
    position: relative;
    overflow: hidden;
  }
  
  .calculator-box::before,
  .calculator-box::after {
    content: "";
    position: absolute;
    top: -20px;
    left: -20px;
    width: calc(100% + 40px);
    height: calc(100% + 40px);
    border-radius: 20px;
    background-color: rgba(61, 81, 92, 0.2);
    z-index: -1;
  }
  
  .calculator-box::before {
    filter: blur(10px);
  }
  
  .calculator-box::after {
    filter: blur(20px);
  }
  
  button:hover {
    background-color: #1f2a33;
    transform: translateY(-2px);
  }
  
  input[type="text"]:hover {
    border-color: #3d515c;
    box-shadow: 0px 0px 5px rgba(61, 81, 92, 0.3);
  }