body {
    text-align: center;
    background-image: url("b2.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #cccccc;
    color:rgb(241, 239, 239);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: pink;
}

#corner {
    position: fixed;
    bottom: 20px;
    right: 20px;
}

.footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    color: white;
    text-align: center;
}

.topnav {
    overflow: hidden;
}
  
.topnav a {
    float: left;
    font-size: 16px;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
  }
  
  .dropdown {
    float: left;
    overflow: hidden;
  }
  
  .dropdown .dropdbtn {
    font-size: 16px;  
    border: none;
    outline: none;
    color: white;
    padding: 14px 16px;
    background-color: inherit;
    font-family: inherit;
    margin: 0;
  }
  
  .topnav a:hover, .dropdown:hover .dropdbtn {
    background-color: red;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    font-size: 14px;
    float: none;
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
  }
  
  .dropdown-content a:hover {
    background-color: #ddd;
  }
  
  .dropdown:hover .dropdown-content {
    display: block;
  }