/* code to style the banner, logo, and navigation bar */
:root {
	--banner-background: #8dc641; /* bright green to match logo */
	--navbar-color: #333d29; /* dark green for navbar base */
	--buttons-color: #414833; /* for the to top button + navbar */
	
	--font-size: 20px;
}

/* ----------------------- banner ----------------------- */
.page-head {
	/* top of page banner */
	background-image: url(../images/common_duckweed.png);
	position: relative;             
	height: 200px;
}

#logo {
	/* logo from top page banner */
	padding-top: 15px;
	padding-left: 65px;
	max-height: 300px;
	max-width: 300px;
}

@media screen and (max-width: 450px) {
	/* queries to change the grid layout on smaller screens */
	.page-head #logo {
		padding-left: 0px;
		display: block;
		margin-left: auto;
		margin-right: auto;
	}
}
/* --------------------- end banner --------------------- */

/* ------------------- top navigation ------------------- */
.topnav {
	overflow: hidden;
	background-color: var(--navbar-color);
}

.topnav a {
	float: left;
	display: block;
	background-color: var(--buttons-color);
	color: #f2f2f2;
	text-align: center;
	padding: 14px 16px;
	text-decoration: none;
	font-size: 17px;
}

.topnav .active {
  background-color: var(--navbar-color);
  color: white;
}

.topnav .icon {
  display: none;
}



.dropdown {
	background-color: var(--buttons-color);
  float: left;
  overflow: hidden;
}


.dropdown .dropbtn {
  font-size: 17px;    
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit;
  margin: 0;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 198px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  float: none;
  background-color: white;
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.topnav a:hover, .dropdown:hover .dropbtn {
  background-color: #ddd;
  color: black;
}

.dropdown .fa {
	padding-left:10px;
}

.dropdown-content a:hover {
  background-color: #ddd;
  color: black;
}

.dropdown:hover .dropdown-content {
  display: block;
}

@media screen and (max-width: 800px) {
  .topnav a:not(:first-child), .dropdown .dropbtn {
    display: none;
  }
  .topnav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 800px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
  .topnav.responsive .dropdown {float: none;}
  .topnav.responsive .dropdown-content {position: relative;}
  .topnav.responsive .dropdown .dropbtn {
    display: block;
    width: 100%;
    text-align: left;
  }
}

/* ----------------- end top navigation ----------------- */