.header {
  padding: 80px; /* some padding */
  text-align: center; /* center the text */
  background-image: url(fallenLeaves.jpg); /* green background */
  color: black; /* text color */
  background-size: 1200px;
}

/* Increase the font size of the <h1> element */
.header h1 {
  font-size: 60px;
}
/* Increase the font size of the <h1> element */
.header 21 {
  font-size: 40px;
}

/* Style the top navigation bar */
.navbar {
  overflow: hidden; /* Hide overflow */
  background-color: #333; /* Dark background color */
}

/* Style the navigation bar links */
.navbar a {
  float: left; /* Make sure that the links stay side-by-side */
  display: block; /* Change the display to block, for responsive reasons (see below) */
  color: white; /* White text color */
  text-align: center; /* Center the text */
  padding: 14px 20px; /* Add some padding */
  text-decoration: none; /* Remove underline */
}

/* Right-aligned link */
.navbar a.right {
  float: right; /* Float a link to the right */
}

/* Change color on hover/mouse-over */
.navbar a:hover {
  background-color: #ddd; /* Grey background color */
  color: black; /* Black text color */
}

/* Responsive layout - when the screen is less than 700px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 700px) {
  .row { 
    flex-direction: column;
  }
}

/* Responsive layout - when the screen is less than 400px wide, make the navigation links stack on top of each other instead of next to each other */
@media screen and (max-width: 400px) {
  .navbar a {
    float: none;
    width: 100%;
  }
}