<head>
<style type="text/css">
body{
text-align: center;
font-family: sans-serif;
font-weight: 100;
}
h1{
color: #b53e0f;
font-weight: 100;
font-size: 40px;
margin: 40px 0px 20px;
}
#clockdiv{
font-family: sans-serif;
color: #fff;
display: inline-block;
font-weight: 100;
text-align: center;
font-size: 30px;
}
#clockdiv > div{
padding: 10px;
border-radius: 19px;
background: #2b0a26;
display: inline-block;
}
#clockdiv div > span{
padding: 15px;
border-radius: 20px;
background: #00816A;
display: inline-block;
}
.smalltext{
padding-top: 5px;
font-size: 16px;
}
</style>
</head>
<body>
<h1>Countdown Clock</h1>
<div id="clockdiv">
<div>
<span class="days"></span>
<div class="smalltext">Days</div>
</div>
<div>
<span class="hours"></span>
<div class="smalltext">Hours</div>
</div>
<div>
<span class="minutes"></span>
<div class="smalltext">Minutes</div>
</div>
<div>
<span class="seconds"></span>
<div class="smalltext">Seconds</div>
</div>
</div>
<script type="text/javascript">
var deadline = 'December 31 2018';
// Convert time to usable format
function getTimeRemaining(deadline) {
var t = Date.parse(deadline) - Date.parse(new Date());
var seconds = Math.floor((t / 1000) % 60);
var minutes = Math.floor((t / 1000 / 60) % 60);
var hours = Math.floor((t / (1000 * 60 * 60)) % 24);
var days = Math.floor(t / (1000 * 60 * 60 * 24));
return {
'total': t,
'days': days,
'hours': hours,
'minutes': minutes,
'seconds': seconds };
}
function Clock(id, deadline) {
var clock = document.getElementById(id);
// The query selector method only returns the first element that matches
the specified selectors.
var daysSpan = clock.querySelector('.days');
var hoursSpan = clock.querySelector('.hours');
var minutesSpan = clock.querySelector('.minutes');
var secondsSpan = clock.querySelector('.seconds');
function updateClock() {
var t = getTimeRemaining(deadline);
daysSpan.innerHTML = t.days;
hoursSpan.innerHTML = ('0' + t.hours).slice(-2);
minutesSpan.innerHTML = ('0' + t.minutes).slice(-2);
secondsSpan.innerHTML = ('0' + t.seconds).slice(-2);
if (t.total <= 0) {
clearInterval(timeinterval);
}
}
updateClock();
var timeinterval = setInterval(updateClock, 1000);
}
Clock('clockdiv', deadline);
</script>
</body>
</html>
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