style.css

h1 {
	font-family: 'Open Sans', sans-serif;
	text-align: center;
	font-size: 350%;
	margin-top: 100px;
	margin-bottom: 5px;
	font-weight: 500;
}
/*Small underline for the heading*/
.underline-small{
	color: black;
	position: relative;
}

.underline-small::after{
	content: '';
	height: 3px;
	width: 12%;
	background: black;
	position: absolute;
	margin: auto;
	bottom: -5px;
	left: 0; 
	right: 0;
}

p {
	font-family: 'Open Sans', sans-serif;
	text-align: center;
	font-size: 120%;
}

body {
	background-color: #D6D6D6;
}

#directions {
	font-family: 'Open Sans', sans-serif;
	text-align: center;
	font-weight: bold;
	font-style: italics;
	font-size: 80%;
}

.right {
	font-family: 'Open Sans', sans-serif;
	color: green;
	font-weight: bold;
	opacity: 0.0;
}

.wrong {
	font-family: 'Open Sans', sans-serif;
	color: red;
	font-weight: bold;
	opacity: 0.0;
}

.btn {
	font-family: 'Open Sans', sans-serif;
	background-color: #e7e7e7;
	color: black;
	padding: 5px 11px;
	text-align: center;
	display: flex;
	justify-content: center;
	align-items: center;	
	font-size: 16px;
	margin: auto;
	cursor: pointer;
}
/*Button that clears all entries, appears with red text*/
.btnClear {
	font-family: 'Open Sans', sans-serif;
	background-color: #e7e7e7;
	color: red;
	padding: 5px 11px;
	text-align: center;
	display: flex;
	justify-content: center;
	align-items: center;	
	font-size: 12px;
	margin: auto;
	cursor: pointer;
}
/*Button CSS for the back to top button, with relevant animation for fading in and out*/
#button {
	display: inline-block;
	background-color: #7393B3;
	width: 100px;
	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: "Back to Top";
	font-family: 'Open Sans', sans-serif;
	font-weight: normal;
	font-style: normal;
	font-size: 90%;
	line-height: 50px;
	color: #fff;
}

#button:hover {
	cursor: pointer;
	background-color: #333;
}

#button:active {
	background-color: #555;
}

#button.show {
	opacity: 1;
	visibility: visible;
}