1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
{% seo %}
{% feed_meta %}
{% if jekyll.environment == 'production' and site.google_analytics %}
{% include google-analytics.html %}
{% endif %}
{% if page.math %}
{% include mathjax.html %}
{% endif %}
<!-- Google Fonts -->
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open%20Sans|Roboto|Roboto%20Slab|Inconsolata|Dancing%20Script|Noto%20Sans%20SC|Noto%20Sans%20TC|Noto%20Serif%20SC|Noto%20Serif%20TC|Ma%20Shan%20Zheng">
<link rel="stylesheet" href="{{ '/assets/css/main.css' | relative_url }}">
<link rel="stylesheet" href="{{ '/assets/css/skin.css' | relative_url }}">
<!-- Begin selecting skin -->
{% unless site.skin %}
<script>
const hour = (new Date()).getHours();
let filename = "";
if (hour >= 5 && hour < 7) {
filename = "{{ '/assets/css/skin-sunrise.css' | relative_url }}";
} else if (hour >= 7 && hour < 17) {
filename = "{{ '/assets/css/skin-daylight.css' | relative_url }}";
} else if (hour >= 17 && hour < 19) {
filename = "{{ '/assets/css/skin-sunset.css' | relative_url }}";
} else {
filename = "{{ '/assets/css/skin-midnight.css' | relative_url }}";
}
const elem = document.createElement("link");
elem.setAttribute("rel", "stylesheet");
elem.setAttribute("type", "text/css");
elem.setAttribute("href", filename);
document.getElementsByTagName("head")[0].appendChild(elem);
</script>
{% endunless %}
<!-- End selecting skin -->
<script async src="https://use.fontawesome.com/releases/v5.0.12/js/all.js"></script>
{% include custom-head.html %}