@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@100&display=swap');
*, *:after, *:before {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html, body, .container {
    height: 100%;
}   

body {
    background: linear-gradient(#0b6379, #c7eaf3);
    background-repeat: no-repeat;
    background-attachment: fixed;
}
h1 {
    margin-bottom: 30px;
    font-family: "Oswald", sans-serif;
    font-size: 44px;
    text-transform: uppercase;
    color: white;
}
.topnav {
  overflow: hidden;
  background-color: white;
  float: right;
  width: 100%;
  position: fixed;
  z-index: 5;
  top: 0;
  left: 0;
}
.topnav p {
  font-family: "Archivo", sans-serif;
  float: left;
  margin-left: 140px;
  font-weight: bold;
  margin-top: 25px;
  font-size: 25px;
  color: #3e9d9a;
  text-shadow:1px 1px 3px grey;
}
.p_logo .logo {
  max-width: 100%;
  max-height: 100%;
  height: 60px;
  width: 100px;
  margin-left: 15px;
  position: fixed;
  border: none;
  border-radius: 10px;
  filter: brightness(100%);
  z-index: 6;
}
.backto a {
    text-decoration: none;
    color: white;
}
.dropbtn {
  background: linear-gradient(
   to left, 
   rgba(0,0,0,1) 0%,
   rgba(0,0,0,1) 30%,
   rgba(0,0,0,0) 100%
);
  color: white;
  padding: 20px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  font-family: "Oswald", sans-serif;
}
.dropdown {
  position: fixed;
  display: inline-block;
  right: 0;
  top: 0;
  margin: 5px;
  z-index: 5;
}
.dropdown-content {
  display: none;
  position: absolute;
  text-align: center;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
  font-family: "Oswald", sans-serif;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  z-index: 5;
}

.dropdown-content a:hover {background-color: #f1f1f1}

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

.dropdown:hover .dropbtn {
  background-color: steelblue;
}
.gal_dropdown {
  position: fixed;
  display: inline-block;
  right: 0;
  top: 0;
  margin: 5px 150px;
  z-index: 5;
}
.gal_dropbtn {
  background: linear-gradient(
   to right, 
   rgba(0,0,0,1) 0%,
   rgba(0,0,0,1) 30%,
   rgba(0,0,0,0) 100%
);
  color: white;
  padding: 20px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  font-family: "Oswald", sans-serif;
}
.gal_dropdown-content {
  display: none;
  text-align: center;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
  font-family: "Oswald", sans-serif;
}

.gal_dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

.gal_dropdown-content a:hover {background-color: #f1f1f1}

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

.gal_dropdown:hover .gal_dropbtn {
  background-color: steelblue;
}
.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header {
    color: #fff;
}

.gallery {
    display: flex;
    position: relative;
    width: 1250px;
    height: 700px;
    background: #7e7f9a;
    border: 3px solid #f9f9f8;
    border-radius: 5px;
    overflow: hidden;
}

.main-image-section {
    width: 80%;
}

.main-view {
    width: 100%;
    opacity: 0;
    cursor: pointer;

    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    transition: all 0.3s ease 0s;
}

.caption-container {
    position: absolute;
    background: rgba(0, 0, 0, 0.6);
    width: 100%;
    height: 100px;
    bottom: -100px;
    opacity : 0;

    -webkit-transition: all 0.3s ease 0s;
    -moz-transition: all 0.3s ease 0s;
    transition: all 0.3s ease 0s;
}

.main-image-section:hover .caption-container {
    bottom: 0;
    opacity: 1;
}

#caption {
    font-size: 42px;
    color: #fff;
    padding: 10px;
    font-family: "Oswald", sans-serif;
}

#info {
    padding: 0 10px;
    color: #ccc;
}

.thumbnails {
    width: 20%;
    padding: 5px;
    overflow-y: auto;
}

.thumbnails img {
    width: 100%;
    opacity: 0.7;
    cursor: pointer;

    -webkit-transition: opacity 0.3s ease 0s;
    -moz-transition: opacity 0.3s ease 0s;
    transition: opacity 0.3s ease 0s;
}

.thumbnails img:hover {
    opacity: 1;
}

.thumbnails img:focus {
    opacity: 1
}
.html5-video-player {
    width: 600px;
}