body, html {
  height: 100%;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

body {
    background-color: black;
  }

* {
  box-sizing: border-box;
}

.bg-image {
  /* Full height */
  height: 100%; 
  
  /* Center and scale the image nicely */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Images used */
.img1 { background-image: url("ChicagoCropped.jpg"); }
.img2 { background-image: url("Chicago2.jpg"); }
.img3 { background-image: url("Cancun.jpg"); }
.img4 { background-image: url("Mountain.jpg"); }
.img5 { background-image: url("Creek.jpg"); }
.img6 { background-image: url("Dunes.jpg"); }

/* Position text in the middle of the page/image */
.bg-text {
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0, 0.4); /* Black w/opacity/see-through */
  color: white;
  font-weight: bold;
  font-size: 80px;
  border: 10px solid #f1f1f1;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 500px;
  padding: 20px;
  text-align: center;
}

* {box-sizing: border-box;}


* {box-sizing: border-box;}

/* Style the navbar */
.topnav {
  overflow: hidden;
  background-color: #e9e9e9;
}

/* Navbar links */
.topnav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

/* Navbar links on mouse-over */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Active/current link */
.topnav a.active {
  background-color: #2196F3;
  color: white;
}

/* Style the input container */
.topnav .login-container {
  float: right;
}

/* Style the input field inside the navbar */
.topnav input[type=text] {
  padding: 6px;
  margin-top: 8px;
  font-size: 17px;
  border: none;
  width: 150px; /* adjust as needed (as long as it doesn't break the topnav) */
}

/* Style the button inside the input container */
.topnav .login-container button {
  float: right;
  padding: 6px;
  margin-top: 8px;
  margin-right: 16px;
  background: #ddd;
  font-size: 17px;
  border: none;
  cursor: pointer;
}

.topnav .login-container button:hover {
  background: #ccc;
}

/* Add responsiveness - On small screens, display the navbar vertically instead of horizontally */
@media screen and (max-width: 600px) {
  .topnav .login-container {
    float: none;
  }
  .topnav a, .topnav input[type=text], .topnav .login-container button {
    float: none;
    display: block;
    text-align: left;
    width: 100%;
    margin: 0;
    padding: 14px;
  }
  .topnav input[type=text] {
    border: 1px solid #ccc;
  }
}
img {
  width: 100%;
  height: auto;
}