#back-to-top{
	position: fixed;
	width: 3.25rem;
 	height: 3.25rem;
	background-color: #297496;
	right: 0;
	bottom: 0;
	border-radius: 50%;
	text-align: center;
	margin-right: 1rem;
	margin-bottom: 1rem;
	padding-top: 0;
	z-index: 100;
	cursor: pointer;
	transition: all 300ms ease-in-out;
	transform: rotate( 240deg) scale(0, 0);
	}	
#tri {
	width: 0;
	height: 0;
	border-left: 1rem solid transparent;
	border-right: 1rem solid transparent;
	border-bottom: 1.6rem solid #fff;
	margin: auto;
	padding-top: .7rem;
	}
#back-to-top.show{
	transform: scale(1, 1);
	transform: rotate(0);
	}