#button {

  display: inline-block;
  background-color: #FEA73D;
  width: 40px;
  height: 40px;
  text-align: center;
  border-radius: 4px;
  position: fixed;
  bottom: 50px;
  right: 10px;
  transition: background-color .3s, 
    opacity .5s, visibility .5s;
  opacity: 0;
  visibility: hidden;
  z-index: 1000;
}

#button::after {

  content: "\f077";
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
  font-size: 1em;
  line-height: 40px;
  color: #fff;

}

#button:hover {

  cursor: pointer;
  background-color:#333;

}

#button:active {

  background-color: #555;

}

#button.show {

  opacity: 1;
  visibility: visible;

}

/* Styles for the content section */

.content {

  width: 77%;
  margin: 50px auto;
  font-family: 'Merriweather', serif;
  font-size: 17px;
  color: #6c767a;
  line-height: 1.9;

}

@media (min-width: 500px) {

  .content {
    width: 43%;

  }

  #button {

    margin: 30px;

  }

}

.content h1 {

  margin-bottom: -10px;
  color: #03a9f4;
  line-height: 1.5;

}

.content h3 {

  font-style: italic;
  color: #96a2a7;

}