navigation.css

.navbar {
  overflow: hidden;
  background-color: #333;
  position: fixed; /* Set the navbar to fixed position */
  top: 0; /* Position the navbar at the top of the page */
  width: 100%; /* Full width */
}

/* Links inside the navbar */
.navbar a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

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

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 80%;
}

.button {
  display: inline-block;
  padding: 10px 20px;
  font-size: 20px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  outline: none;
  color: #fff;
  background-color: #4CAF50;
  border: none;
  border-radius: 10px;
  box-shadow: 0 9px #999;
  justify-content: center;
 
}

.button:hover {background-color: #3e8e41}

.button:active {
  background-color: #3e8e41;
  box-shadow: 0 5px #666;
  transform: translateY(4px);
  justify-content: center;
  
}

/* Main content */
.main {
  margin-top: 30px; /* Add a top margin to avoid content overlay */
}