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 input {
57     max-width: 180px;
58 }
59 
60 main {
61     padding: 5px;
62 }
63 
64 pre {
65     font-family: monospace;
66     padding: 5px;
67     white-space: pre-wrap;
68 }
69 
70 hr {
71     display: none;
72 }
73 
74 .thread {
75     margin: 1rem 0;
76 }
77 
78 .thread > p {
79     padding: 0 1rem;
80 }
81 
82 .thread p {
83     margin: 0;
84 }
85 
86 .thread a {
87     text-decoration: none;
88 }
89 
90 .thread a:hover {
91     text-decoration: underline;
92 }
93 
94 .thread ul {
95     padding-left: 1rem;
96     list-style: none;
97 }
98 
99 .thread ul   { border-left: 1px dashed #cacaca; }
100 .thread > ul { border-left: 0px; }
101 
102 .mail {
103     padding: 0.5rem 5px;
104 }
105 
106 .mail:target {
107     background-color: khaki;
108 }
109 
110 .mail .mail-meta {
111     font-size: 13px;
112 }
113 
114 .mail.reply .subject {
115     overflow: hidden;
116     text-overflow: ellipsis;
117     white-space: pre;
118 }
119 
120 nav {
121     margin: 1rem;
122     text-align: center;
123 }
124 
125 nav a, nav span {
126     display: inline-block;
127     margin: 0 .7rem;
128 }
129 
130 footer {
131     margin-top: 70px;
132     border-top: 1px solid #333;
133 }
134 
135 footer > p {
136     text-align: center;
137 }
138 
139 footer ul {
140     padding: 0;
141     text-align: center;
142 }
143 
144 footer li {
145     display: inline-block;
146     padding: 8px;
147 }
148 
149 
150 /* dark theme */
151 @media (prefers-color-scheme: dark) {
152     body {
153         color: #eeeff1;
154         background-color: #1e1f21;
155     }
156 
157     a {
158         color: #bad7ff;
159     }
160 
161     header.mail-header {
162         background-color: #390039;
163     }
164 
165     .mail:target {
166         background-color: #574f03;
167     }
168 
169     footer {
170         border-color: #ffffea;
171     }
172 }