#bttn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /*background-color: #000;*/
  width: 50px;
  height: 50px;
  text-align: center;
  border-radius: 5px;
  position: fixed;
  bottom: 30px;
  right: 10px;
  transition: background-color .3s,
    opacity .5s, visibility .5s;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
  text-decoration: none;
  color: #fff;
}
/* Icon: Font Awesome 6 (kit renders <i> as SVG). To use an image instead, add:
   #bttn img { width: 24px; height: 24px; display: block; } and remove #bttn i, #bttn svg rules. */
#bttn i,
#bttn svg {
  font-size: 1.5em;
  color: #fff;
}
#bttn svg {
  width: 1.5em;
  height: 1.5em;
  fill: currentColor;
}
#bttn:hover {
  cursor: pointer;
  background-color: #333;
  text-decoration: none;
}
#bttn:active {
  background-color: #555;
}
#bttn.show {
  opacity: 1;
  visibility: visible;
}
html,
body {
scroll-behavior: smooth;
}
/* Styles for the content section */


@media (min-width: 500px) {

  #bttn {
    margin: 10px;
  }
}