Candidate for official dark theme

0chan_dark.css

body {
  color: #ccc;
}
a:hover, a:focus {
  color: #1abc9c;
}
#content {
  background: #303640;
}
.block,
.panel {
  border-color: #252a32;
  box-shadow: 0 1px 4px #252a32;
  background: #393f4a;
}
.post .post-footer {
  border-top: 1px solid #434a56;
  box-shadow: 0 -1px 0 #2c323a;
}
.post-button {
  color: #777;
}
.post .post-body .post-referenced-by, 
.post .post-body .post-replied-by,
.post .post-header .white,
.login-form ul li,
.text-muted,
a.list-group-item, button.list-group-item,
.dialog .message-date {
  color: #999;
}
.post-popup .post {
  box-shadow: 0 2px 6px #252a32;
}
.post-img .post-img-buttons,
.post-img figcaption {
  background: #000;
}
.separator {
  border-bottom: 1px solid #505763;
  border-top: 1px solid #13161d;
}
.thread-reply-chain {
  border-color: #1f1f1f;
}
.thread-reply-chain:hover {
  border-color: #101010;
}
.headmenu {
  background: #393f4a;
  border-bottom: #252a32 1px solid;
}
.headmenu-title span, 
.headmenu-title a,
.btn-open-sidebar,
.ZU-btn-link {
  color: #bbb !important;
}
.dropdown-menu {
  background-color: #393f4a;
  border: 1px solid #252a32;
  box-shadow: 0 6px 12px #16181d;
}
.dropdown-menu > li > a {
  color: #ccc;
}
.dropdown-menu > li > a:hover, 
.dropdown-menu > li > a:focus {
  color: #ccc;
  background-color: #4b515d;
}
.reply-form .reply-form-message {
  border: 1px solid #252a32;
  background: #2b313a;
}
.reply-form .reply-form-message textarea {
  background: #2b313a;
  color: #ccc;
}
input[type="radio"], 
input[type="checkbox"] {
  filter: invert(1);
}
.btn-default {
  color: #ccc;
  background-color: #444d5f;
  border-color: #5d636f;
}
.btn-default:hover,
.btn-default:active:hover, .btn-default:active:focus, .btn-default:active.focus, .btn-default.active:hover, .btn-default.active:focus, .btn-default.active.focus, .open > .btn-default.dropdown-toggle:hover, .open > .btn-default.dropdown-toggle:focus, .open > .btn-default.dropdown-toggle.focus,
.btn-default:active, .btn-default.active, .open > .btn-default.dropdown-toggle,
.btn-default:focus, .btn-default.focus {
  color: #eee;
  background-color: #5d636f;
  border-color: #5d636f;
}
.form-control {
  color: #ccc;
  background-color: #2b313a;
  border: 1px solid #252a32;
}
.post-id {
  background: linear-gradient(to left, rgba(255, 35, 35, 0) 0px, #393f4a 18px, #393f4a 100%)!important;
}
.post-header .pull-right {
  background: linear-gradient(to right, rgba(255, 35, 35, 0) 0px, #393f4a 18px 100%)!important;
}
.ZU-thread-controls {
  color: #b5b5b5;
}
.ZU-btn-link.active {
  color: #ccc!important;
  background-color: #225851;
  border: 1px solid #2a2d33;
  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.49);
}
.alerts-item {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}
.alert-success {
  background-color: #3c763d;
  color: #dff0d8;
  border-color: #366b37;
}
.alert-info {
  border-color: #24566f;
  color: #d9edf7;
  background-color: #31708f;
}
.alert-danger {
  border-color: #803533;
  color: #f2dede;
  background-color: #a94442;
}
.alert-warning {
  border-color: #564528;
  color: #fcf8e3;
  background-color: #8a6d3b;
}
.login-form input,
.captcha-form input {
  background: #262b33;
  color: #ccc;
  border-color: #15181d;
}
.captcha-form-wrapper {
  background: rgba(0, 0, 0, 0.4);
}
.captcha-form {
  border-color: black;
  background: #222;
}
.captcha-form img {
  filter: invert(1) contrast(.735);
}
.captcha-form input {
  background: #191919;
  color: #ccc;
  border-color: #000000;
}
.captcha-form separator {
  border-bottom-color: #313131;
}
.panel-default > .panel-heading {
  border-color: #2c3138;
  background: #404752;
  color: #ccc;
}
.im-box .dialog-view {
  background: #303640;
}
.add-identity:hover {
  color: #ccc;
}
.table > thead > tr > th, .table > thead > tr > td, .table > tbody > tr > th, .table > tbody > tr > td, .table > tfoot > tr > th, .table > tfoot > tr > td {
  border-top-color: #252a32;
}
.close {
  color: #fff;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
  filter: alpha(opacity=50);
  opacity: 0.5;
}
.close:hover, .close:focus {
  opacity: 0.7;
}
.form-control[disabled], .form-control[readonly], fieldset[disabled] .form-control {
  background-color: #313740;
  color: #666;
}
.list-group-item {
  background-color: #404752;
  border: 1px solid #2c313a;
}
a.list-group-item .list-group-item-heading, button.list-group-item .list-group-item-heading {
  color: #ccc;
}
a.list-group-item:hover, a.list-group-item:focus, button.list-group-item:hover, button.list-group-item:focus,
.im-box .dialog-list .dialog-list-items a:focus {
  color: #ccc;
  background-color: #4b515d;
}
.panel-footer {
  background-color: #404752;
  border-top: 1px solid #2c3138;
}
.dialog .im-message {
  background: #303640;
}
.dialog .im-separator {
  border-top-color: #393f4a;
}
.dialog .message-unread {
  background: rgba(0, 255, 161, 0.1);
}
.empty-page {
  text-shadow: -1px -1px 0 #111;
}
.nav > li > a:hover, .nav > li > a:focus {
  background-color: #303640;
}
.btn:hover, .btn:focus, .btn.focus {
  color: #128a72;
}
.table > thead > tr > th {
  border-bottom-color: #252a32;
}
.pagination > li > a, .pagination > li > span {
  background-color: #404752;
  border: 1px solid #525863;
}
.pagination > li > a:hover, .pagination > li > a:focus, .pagination > li > span:hover, .pagination > li > span:focus {
  color: #31ceaf;
  background-color: #525863;
  border-color: #525863;
}
.pagination > .disabled > span, .pagination > .disabled > span:hover, .pagination > .disabled > span:focus, .pagination > .disabled > a, .pagination > .disabled > a:hover, .pagination > .disabled > a:focus {
  background-color: #404752;
  border-color: #404752;
}
pre {
  background-color: #303640;
  border: 1px solid #292d33;
  color: #bbb;
}