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     text-align: center;
44 }
45 
46 h1 {
47     font-weight: normal;
48     font-size: 1.8rem;
49     margin: 0 0 1rem 0;
50 }
51 
52 form {
53     text-align: center;
54 }
55 
56 main {
57     padding: 5px;
58 }
59 
60 pre {
61     font-family: monospace;
62     padding: 5px;
63     white-space: pre-wrap;
64 }
65 
66 hr {
67     display: none;
68 }
69 
70 .thread {
71     margin: 1rem 0;
72 }
73 
74 .thread > p {
75     padding: 0 1rem;
76 }
77 
78 .thread p {
79     margin: 0;
80 }
81 
82 .thread a {
83     text-decoration: none;
84 }
85 
86 .thread a:hover {
87     text-decoration: underline;
88 }
89 
90 .thread ul {
91     padding-left: 1rem;
92     list-style: none;
93 }
94 
95 .thread ul   { border-left: 1px dashed #cacaca; }
96 .thread > ul { border-left: 0px; }
97 
98 .mail {
99     padding: 0.5rem 5px;
100 }
101 
102 .mail:target {
103     background-color: khaki;
104 }
105 
106 .mail .mail-meta {
107     font-size: 13px;
108 }
109 
110 .mail.reply .subject {
111     overflow: hidden;
112     text-overflow: ellipsis;
113     white-space: pre;
114 }
115 
116 nav {
117     margin: 1rem;
118     text-align: center;
119 }
120 
121 nav a, nav span {
122     display: inline-block;
123     margin: 0 .7rem;
124 }
125 
126 footer {
127     margin-top: 70px;
128     border-top: 1px solid #333;
129 }
130 
131 footer > p {
132     text-align: center;
133 }
134 
135 footer ul {
136     padding: 0;
137     text-align: center;
138 }
139 
140 footer li {
141     display: inline-block;
142     padding: 8px;
143 }
144 
145 
146 /* dark theme */
147 @media (prefers-color-scheme: dark) {
148     body {
149         color: #eeeff1;
150         background-color: #1e1f21;
151     }
152 
153     a {
154         color: #bad7ff;
155     }
156 
157     header.mail-header {
158         background-color: #390039;
159     }
160 
161     .mail:target {
162         background-color: #574f03;
163     }
164 
165     footer {
166         border-color: #ffffea;
167     }
168 }