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skateboard-cleaver.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<title>Untitled</title>
<style type="text/css">
body {
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
color: #222;
font-size: 100%;
}
.slide {
position: absolute;
top: 0; bottom: 0;
left: 0; right: 0;
background-color: #f7f7f7;
}
.slide-content {
width: 800px;
height: 600px;
overflow: hidden;
margin: 80px auto 0 auto;
padding: 30px;
font-weight: 200;
font-size: 200%;
line-height: 1.375;
}
.controls {
position: absolute;
bottom: 20px;
left: 20px;
}
.arrow {
width: 0; height: 0;
border: 30px solid #333;
float: left;
margin-right: 30px;
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.prev {
border-top-color: transparent;
border-bottom-color: transparent;
border-left-color: transparent;
border-left-width: 0;
border-right-width: 50px;
}
.next {
border-top-color: transparent;
border-bottom-color: transparent;
border-right-color: transparent;
border-left-width: 50px;
border-right-width: 0;
}
.prev:hover {
border-right-color: #888;
cursor: pointer;
}
.next:hover {
border-left-color: #888;
cursor: pointer;
}
h1 {
font-size: 300%;
line-height: 1.2;
text-align: center;
margin: 170px 0 0;
}
h2 {
font-size: 100%;
line-height: 1.2;
margin: 5px 0;
text-align: center;
font-weight: 200;
}
h3 {
font-size: 140%;
line-height: 1.2;
border-bottom: 1px solid #aaa;
margin: 0;
padding-bottom: 15px;
}
ul {
padding: 20px 0 0 60px;
font-weight: 200;
line-height: 1.375;
}
.author h1 {
font-size: 170%;
font-weight: 200;
text-align: center;
margin-bottom: 30px;
}
.author h3 {
font-weight: 100;
text-align: center;
font-size: 95%;
border: none;
}
a {
text-decoration: none;
color: #44a4dd;
}
a:hover {
color: #66b5ff;
}
pre {
font-size: 60%;
line-height: 1.3;
}
.progress {
position: fixed;
top: 0; left: 0; right: 0;
height: 3px;
}
.progress-bar {
width: 0%;
height: 3px;
background-color: #b4b4b4;
-webkit-transition: width 0.05s ease-out;
-moz-transition: width 0.05s ease-out;
-o-transition: width 0.05s ease-out;
transition: width 0.05s ease-out;
}
.hidden {
display: none;
}
@media (max-width: 850px) {
body {
font-size: 70%;
}
.slide-content {
width: auto;
}
img {
width: 100%;
}
h1 {
margin-top: 120px;
}
.prev, .prev:hover {
border-right-color: rgba(135, 135, 135, 0.5);
}
.next, .next:hover {
border-left-color: rgba(135, 135, 135, 0.5);
}
}
@media (max-width: 480px) {
body {
font-size: 50%;
overflow: hidden;
}
.slide-content {
padding: 10px;
margin-top: 10px;
height: 340px;
}
h1 {
margin-top: 50px;
}
ul {
padding-left: 25px;
}
}
@media print {
* {
-webkit-print-color-adjust: exact;
}
@page {
size: letter;
}
.hidden {
display: inline;
}
html {
width: 100%;
height: 100%;
overflow: visible;
}
body {
margin: 0 auto !important;
border: 0;
padding: 0;
float: none !important;
overflow: visible;
background: none !important;
font-size: 52%;
}
.progress, .controls {
display: none;
}
.slide {
position: static;
}
.slide-content {
border: 1px solid #222;
margin-top: 0;
margin-bottom: 40px;
height: 3.5in;
overflow: visible;
}
.slide:nth-child(even) {
/* 2 slides per page */
page-break-before: always;
}
}
/*
github.com style (c) Vasily Polovnyov <[email protected]>
*/
.hljs {
display: block;
overflow-x: auto;
padding: 0.5em;
color: #333;
background: #f8f8f8;
}
.hljs-comment,
.hljs-quote {
color: #998;
font-style: italic;
}
.hljs-keyword,
.hljs-selector-tag,
.hljs-subst {
color: #333;
font-weight: bold;
}
.hljs-number,
.hljs-literal,
.hljs-variable,
.hljs-template-variable,
.hljs-tag .hljs-attr {
color: #008080;
}
.hljs-string,
.hljs-doctag {
color: #d14;
}
.hljs-title,
.hljs-section,
.hljs-selector-id {
color: #900;
font-weight: bold;
}
.hljs-subst {
font-weight: normal;
}
.hljs-type,
.hljs-class .hljs-title {
color: #458;
font-weight: bold;
}
.hljs-tag,
.hljs-name,
.hljs-attribute {
color: #000080;
font-weight: normal;
}
.hljs-regexp,
.hljs-link {
color: #009926;
}
.hljs-symbol,
.hljs-bullet {
color: #990073;
}
.hljs-built_in,
.hljs-builtin-name {
color: #0086b3;
}
.hljs-meta {
color: #999;
font-weight: bold;
}
.hljs-deletion {
background: #fdd;
}
.hljs-addition {
background: #dfd;
}
.hljs-emphasis {
font-style: italic;
}
.hljs-strong {
font-weight: bold;
}
</style>
<script async src="http://localhost:35729/livereload.js"></script>
</head>
<body>
<div class="progress">
<div class="progress-bar"></div>
</div>
<div class="controls">
<div class="arrow prev"></div>
<div class="arrow next"></div>
</div>
<script type="text/javascript">
/**
* Returns the current page number of the presentation.
*/
function currentPosition() {
return parseInt(document.querySelector('.slide:not(.hidden)').id.slice(6));
}
/**
* Navigates forward n pages
* If n is negative, we will navigate in reverse
*/
function navigate(n) {
var position = currentPosition();
var numSlides = document.getElementsByClassName('slide').length;
/* Positions are 1-indexed, so we need to add and subtract 1 */
var nextPosition = (position - 1 + n) % numSlides + 1;
/* Normalize nextPosition in-case of a negative modulo result */
nextPosition = (nextPosition - 1 + numSlides) % numSlides + 1;
document.getElementById('slide-' + position).classList.add('hidden');
document.getElementById('slide-' + nextPosition).classList.remove('hidden');
updateProgress();
updateURL();
updateTabIndex();
}
/**
* Updates the current URL to include a hashtag of the current page number.
*/
function updateURL() {
try {
window.history.replaceState({} , null, '#' + currentPosition());
} catch (e) {
window.location.hash = currentPosition();
}
}
/**
* Sets the progress indicator.
*/
function updateProgress() {
var progressBar = document.querySelector('.progress-bar');
if (progressBar !== null) {
var numSlides = document.getElementsByClassName('slide').length;
var position = currentPosition() - 1;
var percent = (numSlides === 1) ? 100 : 100 * position / (numSlides - 1);
progressBar.style.width = percent.toString() + '%';
}
}
/**
* Removes tabindex property from all links on the current slide, sets
* tabindex = -1 for all links on other slides. Prevents slides from appearing
* out of control.
*/
function updateTabIndex() {
var allLinks = document.querySelectorAll('.slide a');
var position = currentPosition();
var currentPageLinks = document.getElementById('slide-' + position).querySelectorAll('a');
var i;
for (i = 0; i < allLinks.length; i++) {
allLinks[i].setAttribute('tabindex', -1);
}
for (i = 0; i < currentPageLinks.length; i++) {
currentPageLinks[i].removeAttribute('tabindex');
}
}
/**
* Determines whether or not we are currently in full screen mode
*/
function isFullScreen() {
return document.fullscreenElement ||
document.mozFullScreenElement ||
document.webkitFullscreenElement ||
document.msFullscreenElement;
}
/**
* Toggle fullScreen mode on document element.
* Works on chrome (>= 15), firefox (>= 9), ie (>= 11), opera(>= 12.1), safari (>= 5).
*/
function toggleFullScreen() {
/* Convenient renames */
var docElem = document.documentElement;
var doc = document;
docElem.requestFullscreen =
docElem.requestFullscreen ||
docElem.msRequestFullscreen ||
docElem.mozRequestFullScreen ||
docElem.webkitRequestFullscreen.bind(docElem, Element.ALLOW_KEYBOARD_INPUT);
doc.exitFullscreen =
doc.exitFullscreen ||
doc.msExitFullscreen ||
doc.mozCancelFullScreen ||
doc.webkitExitFullscreen;
isFullScreen() ? doc.exitFullscreen() : docElem.requestFullscreen();
}
document.addEventListener('DOMContentLoaded', function () {
// Update the tabindex to prevent weird slide transitioning
updateTabIndex();
// If the location hash specifies a page number, go to it.
var page = window.location.hash.slice(1);
if (page) {
navigate(parseInt(page) - 1);
}
document.onkeydown = function (e) {
var kc = e.keyCode;
// left, down, H, J, backspace, PgUp - BACK
// up, right, K, L, space, PgDn - FORWARD
// enter - FULLSCREEN
if (kc === 37 || kc === 40 || kc === 8 || kc === 72 || kc === 74 || kc === 33) {
navigate(-1);
} else if (kc === 38 || kc === 39 || kc === 32 || kc === 75 || kc === 76 || kc === 34) {
navigate(1);
} else if (kc === 13) {
toggleFullScreen();
}
};
if (document.querySelector('.next') && document.querySelector('.prev')) {
document.querySelector('.next').onclick = function (e) {
e.preventDefault();
navigate(1);
};
document.querySelector('.prev').onclick = function (e) {
e.preventDefault();
navigate(-1);
};
}
});
</script>
</body>
</html>