body {
    font-family: Arial, sans-serif;
    margin: 0;
    background-color: #ffffff;
}

/* button {
    padding: 10px 20px;
    background-color: #007BFF;
    color: #ffffff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin: 5px;
} */

button {
    border: none;
    color: white;
    padding: 16px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
  }
  
  .button1 {
    background-color: white;
    color: black;
    border: 2px solid #4CAF50;
  }
  
  .button1:hover {
    background-color: #4CAF50;
    color: white;
  }
  
  .button2 {
    background-color: white;
    color: black;
    border: 2px solid #008CBA;
  }
  
  .button2:hover {
    background-color: #008CBA;
    color: white;
  }

header {
    background-color: #f7f4f4;
    text-align: center;
    padding: 20px 0;
}

header img {
    max-width: 100%;
    height: auto;
}

nav {
    background-color: #fff;
    color: #333;
    padding: 10px;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    color: #333;
    text-decoration: none;
    font-size: 18px;
}

main {
    padding: 20px;
    text-align: center;
}