#button {
	display: inline-block;
	background-image: url(../images/up.png);
	background-repeat: no-repeat;
	background-color: rgba(75,75,75,0.25);
	width: 50px;
	height: 50px;
	border-radius: 25%;
	position: fixed;
	bottom: 30px;
	right: 30px;
	transition: background-color .3s, opacity .5s, visibility .5s;
	opacity: 0;
	visibility: hidden;
	z-index: 1000;
}
#button::after {


}
#button:hover {
	cursor: pointer;
	background-color: rgba(75,75,75,1.00);
}
#button:active {
	
}
#button.show {
	opacity: 1;
	visibility: visible;
}

@media screen and (max-width: 400px){
	
#button {
	position: fixed;
	bottom: 75%;
	left: 5%;
	}
	
}