1 * {
2     box-sizing: border-box;
3 }
4 
5 body {
6     margin: 0;
7     padding: 0;
8     border: 0;
9     font: 14px sans-serif;
10 }
11 
12 header.mail-header {
13     background-color: #ced7e0;
14     padding: 5px 10px;
15     margin: 10px 0;
16 }
17 
18 header.mail-header img {
19     vertical-align: middle;
20 }
21 
22 header dl {
23     display: flex;
24     flex-wrap: wrap;
25     margin: 0;
26 }
27 
28 header dt {
29     width: 64px;
30 }
31 
32 header dd {
33     margin-left: auto;
34     width: calc(100% - 64px);
35     flex-grow: 2;
36 }
37 
38 header dt, header dd {
39     padding: 3px 0;
40 }
41 
42 header.index-header {
43     margin: 20px 0;
44     text-align: center;
45 }
46 
47 h1 {
48     font-weight: normal;
49     font-size: 1.8rem;
50     margin: 0 0 1rem 0;
51 }
52 
53 main {
54     padding: 5px;
55 }
56 
57 pre {
58     font-family: monospace;
59     padding: 5px;
60     white-space: pre-wrap;
61 }
62 
63 hr {
64     display: none;
65 }
66 
67 .thread {
68     margin: 1rem 0;
69 }
70 
71 .thread p {
72     margin: 0;
73 }
74 
75 .thread a {
76     text-decoration: none;
77 }
78 
79 .thread a:hover {
80     text-decoration: underline;
81 }
82 
83 .thread ul {
84     padding-left: 1rem;
85     list-style: none;
86 }
87 
88 .thread > ul ul {
89     border-left: 1px dashed #cacaca;
90 }
91 
92 .mail {
93     padding: 0.5rem 5px;
94 }
95 
96 .mail:target {
97     background-color: khaki;
98 }
99 
100 .mail .mail-meta {
101     font-size: 13px;
102 }
103 
104 .mail.reply .subject {
105     overflow: hidden;
106     text-overflow: ellipsis;
107     white-space: pre;
108 }
109 
110 footer {
111     margin-top: 70px;
112     border-top: 1px solid #333;
113 }
114 
115 footer > p {
116     text-align: center;
117 }
118 
119 footer ul {
120     padding: 0;
121     text-align: center;
122 }
123 
124 footer li {
125     display: inline-block;
126     padding: 8px;
127 }
128 
129 
130 /* dark theme */
131 @media (prefers-color-scheme: dark) {
132     body {
133         color: #ffffea;
134         background-color: #383838;
135     }
136 
137     a {
138         color: #8e8eff;
139     }
140 
141     header.mail-header {
142         background-color: #390039;
143     }
144 
145     footer {
146         border-color: #ffffea;
147     }
148 }