style.css

body {
	font-family: Consolas;
	font-weight: bold;
	color: white;
	background-color: black;
}
h1 {
	font-size: 16pt;
}
p {
	font-size: 14pt;
}

.tab {
	overflow: hidden;
	border: 1px solid #ccc;
	background-color: inherit;
}

.tab button {
	background-color: inherit;
	float: left;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 14px 16px;
	transition: 0.3s;
	font-size: 12pt;
	font-family: inherit;
	font-weight: inherit;
	color: inherit;
}

.tab button:hover {
	background-color: #004;
}

.tab button.active {
	background-color: #003;
}

.tabcontent {
	display: none;
	padding: 6px 12px;
	border: 1px solid #ccc;
	border-top: none;
	background-color: inherit;
	color: inherit;
	animation: fadeEffect 1s;
}

@keyframes fadeEffect {
	from {opacity: 0;}
	to {opacity: 1;}
}