body, html {
    height: 100%;
    font-size: 24px;
}

table td, table td * {
    vertical-align: top;
}

/* Dropdown Button */
.dropbtn {
  background-color: #04AA6D;
  color: white;
  padding: 8px;
  font-size: 16px;
  border: none;
}

/* The container <div> - needed to position the dropdown content */
.dropdown {
/*  position: relative;
  display: inline-block; */
  position: absolute;
  bottom: 0;
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  color: black;
  min-width: 200px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  background-color: darkgray;
  color: black;
  padding: 0px 4px;
  text-decoration: none;
  display: block;
  font-size: 16px;
}

/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: #ddd; color: black;}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {display: block;}

/* Change the background color of the dropdown button when the dropdown content is shown */
.dropdown:hover .dropbtn {background-color: #3e8e41;}


#container {
    position: relative;
}
#copyright {
    position: absolute;
    bottom: 0;
}
/* END DROPDOWN */

.button:hover {
      background-color:#002ead;
      transition: 0.7s;
  }

.crumbs {
    font-size: 24px;
}
.algae_images_link {
    float: left;
    font-size: 24px;
    width: 300px;
/*    border: 1px solid #ffffff; */
    text-decoration: none;
}
.algae_images_link:hover{
    text-decoration:underline;
}
.algae_images_hilight_link {
    float: left;
    font-size: 24px;
    width: 300px;
    font-weight:900;
    color: #003f87;
    background-color:#CCE6F7;
/*    border: 1px solid #003f87; */
    text-decoration: none;
    }
.algae_images_hilight_link:hover{
  text-decoration:underline;
}
.algae_level_rule {
    width : 100%;
    background-color : #AAFFAA;
    height : 4px;
    border : none;
}
    

.algae_images_level {
    clear : both;
}

.algae_image_thumbnail {
    margin: 4px;
    float: both;
    text-decoration: none;
   }

/* slideshow from https://www.w3schools.com/howto/howto_js_slideshow.asp */

* {box-sizing:border-box}

/* Slideshow container */
.slideshow-container {
  max-width: 2000px;
  position: relative;
  margin: auto; 
}

/* Hide the images by default */
.mySlides {
  display: none;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 100px;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
  background-color: rgba(0.1,0.1,0.3,0.1);
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.text {
    color: white; 
  font-size: 24px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  text-align: center;
  text-shadow: 2px 2px 8px black;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 24px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  text-shadow: 2px 2px 8px black;  
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

/* Fading animation */
.fade {
  -webkit-animation-name: fade;
  -webkit-animation-duration: 1.5s;
  animation-name: fade;
  animation-duration: 1.5s;
}

@-webkit-keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}


/* The hero image */
.hero-image {
  /* Use "linear-gradient" to add a darken background effect to the image (photographer.jpg). This will make the text easier to read */
  background-image:  url("images/banner.jpg");

  /* Set a specific height */
  height: 33%; 
/*  width: 100%; */

  /* Position and center the image to scale nicely on all screens */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

/* Place text in the middle of the image */
.hero-text a{
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
}
.hero-image a {
    color: white;
}