body {
    margin: 0;
    padding: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-color: black;
    font-family: Arial, Helvetica, sans-serif;
}

.navbar {
  overflow: hidden;
  position: fixed;
  bottom: 0;
  width: 100%;
  margin: auto;
  text-align: center;
  background-color: black;
  opacity:0.6;
}

.navbar div {
  display: inline-block;
}

.navbar a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.navbar a.active {
  background-color: #4CAF50;
  color: white;
}

.main {
  padding: 16px;
  margin-bottom: 30px;
}

i.fa {
  display: inline-block;
  border-radius: 60px;
  box-shadow: 0px 0px 2px #888;
  padding: 0.5em 0.6em;
  background: blue; 
  color: white;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 35%
}

button {
    background-color: Transparent;
    background-repeat:no-repeat;
    border: none;
    cursor:pointer;
    overflow: hidden;
    outline:none;
}

.camera-bg {
  display: block;
  margin: auto;

  max-height: 100vh;
  max-width: 100vh;

  width: 100%;

  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}