body {
  background: #000536;
}

.home {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  flex: 1;
}

img.bg,
img.banner {
  max-width: 100%;
  height: auto;
}

img.img-btn {
  position: absolute;
  transform-origin: top left;
}

.header {
  top: 0;
  z-index: 10;
  height: var(--header-height);
}

.footer {
  bottom: 0;
  height: var(--footer-height);
}

.content {
  padding-top: var(--header-height);
  padding-bottom: var(--footer-height);
}

.fixed {
  position: fixed;
}

.relative {
  position: relative;
}

/* The snackbar - position it at the bottom and in the middle of the screen */
#snackbar {
  visibility: hidden;
  /* Hidden by default. Visible on click */
  min-width: 250px;
  /* Set a default minimum width */
  margin-left: -125px;
  /* Divide value of min-width by 2 */
  background-color: #333;
  /* Black background color */
  color: #fff;
  /* White text color */
  text-align: center;
  /* Centered text */
  border-radius: 2px;
  /* Rounded borders */
  padding: 16px;
  /* Padding */
  position: fixed;
  /* Sit on top of the screen */
  z-index: 15;
  /* Add a z-index if needed */
  left: 50%;
  /* Center the snackbar */
  top: 30px;
  /* 30px from the bottom */
}

/* Show the snackbar when clicking on a button (class added with JavaScript) */
#snackbar.show {
  visibility: visible;
  /* Show the snackbar */
  /* Add animation: Take 0.5 seconds to fade in and out the snackbar.
  However, delay the fade out process for 2.5 seconds */
  -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
  animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

/* Animations to fade the snackbar in and out */
@-webkit-keyframes fadein {
  from {
    top: 0;
    opacity: 0;
  }

  to {
    top: 30px;
    opacity: 1;
  }
}

@keyframes fadein {
  from {
    top: 0;
    opacity: 0;
  }

  to {
    top: 30px;
    opacity: 1;
  }
}

@-webkit-keyframes fadeout {
  from {
    top: 30px;
    opacity: 1;
  }

  to {
    top: 0;
    opacity: 0;
  }
}

@keyframes fadeout {
  from {
    top: 30px;
    opacity: 1;
  }

  to {
    top: 0;
    opacity: 0;
  }
}