koolamusic/html_tabs.html

## html_tabs.html
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body {font-family: Arial;}

/* Style the tab */
.tab {
  overflow: hidden;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
  font-size: 17px;
}

/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current tablink class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  display: none;
  padding: 6px 12px;
  -webkit-animation: fadeEffect 1s;
  animation: fadeEffect 1s;
}

/* Fade in tabs */
@-webkit-keyframes fadeEffect {
  from {opacity: 0;}
  to {opacity: 1;}
}

@keyframes fadeEffect {
  from {opacity: 0;}
  to {opacity: 1;}
}
</style>
</head>
<body>

<h3>Fade in Tabs</h3>

<div class="tab">
  <button class="tablinks" onclick="openCity(event, 'London')">London</button>
  <button class="tablinks" onclick="openCity(event, 'Paris')">Paris</button>
  <button class="tablinks" onclick="openCity(event, 'Tokyo')">Tokyo</button>
</div>

<div id="London" class="tabcontent">
  <h3>London</h3>
  <p>London is the capital city of England.</p>
</div>

<div id="Paris" class="tabcontent">
  <h3>Paris</h3>
  <p>Paris is the capital of France.</p>
</div>

<div id="Tokyo" class="tabcontent">
  <h3>Tokyo</h3>
  <p>Tokyo is the capital of Japan.</p>
</div>

<script>
function openCity(evt, cityName) {
  var i, tabcontent, tablinks;
  tabcontent = document.getElementsByClassName("tabcontent");
  for (i = 0; i < tabcontent.length; i++) {
    tabcontent[i].style.display = "none";
  }
  tablinks = document.getElementsByClassName("tablinks");
  for (i = 0; i < tablinks.length; i++) {
    tablinks[i].className = tablinks[i].className.replace(" active", "");
  }
  document.getElementById(cityName).style.display = "block";
  evt.currentTarget.className += " active";
}
</script>

</body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style>
	body {font-family: Arial;}

	/* Style the tab */
	.tab {
	overflow: hidden;
	border: 1px solid #ccc;
	background-color: #f1f1f1;
	}

	/* Style the buttons inside the tab */
	.tab button {
	background-color: inherit;
	float: left;
	border: none;
	outline: none;
	cursor: pointer;
	padding: 14px 16px;
	transition: 0.3s;
	font-size: 17px;
	}

	/* Change background color of buttons on hover */
	.tab button:hover {
	background-color: #ddd;
	}

	/* Create an active/current tablink class */
	.tab button.active {
	background-color: #ccc;
	}

	/* Style the tab content */
	.tabcontent {
	display: none;
	padding: 6px 12px;
	-webkit-animation: fadeEffect 1s;
	animation: fadeEffect 1s;
	}

	/* Fade in tabs */
	@-webkit-keyframes fadeEffect {
	from {opacity: 0;}
	to {opacity: 1;}
	}

	@keyframes fadeEffect {
	from {opacity: 0;}
	to {opacity: 1;}
	}
	</style>
	</head>
	<body>

	<h3>Fade in Tabs</h3>

	<div class="tab">
	<button class="tablinks" onclick="openCity(event, 'London')">London</button>
	<button class="tablinks" onclick="openCity(event, 'Paris')">Paris</button>
	<button class="tablinks" onclick="openCity(event, 'Tokyo')">Tokyo</button>
	</div>

	<div id="London" class="tabcontent">
	<h3>London</h3>
	<p>London is the capital city of England.</p>
	</div>

	<div id="Paris" class="tabcontent">
	<h3>Paris</h3>
	<p>Paris is the capital of France.</p>
	</div>

	<div id="Tokyo" class="tabcontent">
	<h3>Tokyo</h3>
	<p>Tokyo is the capital of Japan.</p>
	</div>

	<script>
	function openCity(evt, cityName) {
	var i, tabcontent, tablinks;
	tabcontent = document.getElementsByClassName("tabcontent");
	for (i = 0; i < tabcontent.length; i++) {
	tabcontent[i].style.display = "none";
	}
	tablinks = document.getElementsByClassName("tablinks");
	for (i = 0; i < tablinks.length; i++) {
	tablinks[i].className = tablinks[i].className.replace(" active", "");
	}
	document.getElementById(cityName).style.display = "block";
	evt.currentTarget.className += " active";
	}
	</script>

	</body>
	</html>