#button {
		  display: inline-block;
		  background-color: #FF9800;
		  width: 50px;
		  height: 50px;
		  text-align: center;
		  border-radius: 4px;
		  position: fixed;
		  bottom: 30px;
		  right: 30px;
		  transition: background-color .3s, 
			opacity .5s, visibility .5s;
		  opacity: 0;
		  visibility: hidden;
		  z-index: 1000;
		}
		#button::after {
		  content: none !important;
		  font-family: FontAwesome;
		  font-weight: normal;
		  font-style: normal;
		  font-size: 2em;
		  line-height: 0px !important;
		  color: #fff;
		}
		#button:hover {
		  cursor: pointer;
		  background-color: #333;
		}
		#button:active {
		  background-color: #555;
		}
		#button.show {
		  opacity: 1;
		  visibility: visible;
		}
		#button .fas {
			color:#fff !important;
			margin-top: 19px
       }

		@media (min-width: 500px) {
		  #button {
			margin: 30px;
		  }
		}