body {
    font-family: "Roboto", sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
  }
  h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 300;
    font-size: 2.5em;
  }
  textarea {
    width: 95%;

    height: 200px;
    margin-bottom: 10px;
    padding: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    resize: vertical;
    font-size: 14px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    outline: none;

  }
  .input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 25px;
  }
  input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
  }
  input:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
    outline: none;
  }
  button {
    display: block;
    width: 200px;
    padding: 15px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.1s;
    box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11),
      0 1px 3px rgba(0, 0, 0, 0.08);
    margin: 30px auto;
  }
  button:hover {
    background-color: #2980b9;
  }
  button:active {
    transform: scale(0.98);
  }