[Raşit Tunca]

Admin Paneline gir ve ordan temalar bülümünden Default temayı aç ve orda yeni style css oluştur a git ve kod olarak alttaki kodu gir ve "colour_dark.css" olarak kaydet işlem tamamdır
tekrar beyaza gecmek istersenden o "colour_dark.css"  yi sil işlem tamamdır

Kod:

/* CUSTOM DARK */
body {
background: #141414 !important;
}
a:link,
a:visited,
a:hover,
a:active {
color: #468aca !important;
}
a.button:link, a.button:hover, a.button:visited, a.button:active {
border: 1px solid #111 !important;
}
#logo {
background: #1b1b1b !important;
border-bottom: 1px solid #011929;
}
#header ul.menu li a {
color: #fff;
}
#container {
color: #aaa !important;
}
#panel .upper {
border: 0 none !important;
}
#panel .lower {
    background: #1b1b1b !important;
    border-bottom: 1px solid #303030 !important;
    border-top: 1px solid #262626 !important;
}

header #siteSearch label.searchContainer {
    background: #333 !important;
    border: 1px solid #303030 !important;
}

header #siteSearch input.inputText {
    background: #333 !important;
    color: #aaa !important;
}

.navigation {
    color: #999 !important;
}

.navigation .active {
    color: #999 !important;
}

.pagination a {
    background: #222 !important;
    border: 1px solid #303030 !important;
    color:#aaa !important;
}

.pagination .pagination_current {
    color: #aaa !important;
}

table {
    color: #aaa !important;
}

.tborder {
    background: #222 !important;
    border: 1px solid #333 !important;
}

.trow1 {
    background: #292929 !important;
    border-color: #555 #333 #333 #555 !important;
}

.trow2 {
    background: #333 !important;
    border-color: #555 #333 #333 #555 !important;
}

.trow_sep {
    background: #222 !important;
    border-bottom: 1px solid #191919 !important;
    color: #aaa !important;
}

.post .post_author {
    background: #333 !important;
    border-bottom: 1px solid #222 !important;
    border-top: 1px solid #222 !important;
}

.post.classic .post_author {
    border-color: #444 !important;
}

.post_controls {
    background: #333 !important;
    border-bottom: 1px solid #444 !important;
}

.postbit_buttons > a:link, .postbit_buttons > a:hover, .postbit_buttons > a:visited, .postbit_buttons > a:active {
    background: #2b2b2b !important;
    border: 1px solid #444 !important;
}

.post .post_author div.author_avatar img {
    background: #2b2b2b !important;
    border: 1px solid #444 !important;
}
   
.post.classic .post_author div.author_statistics {
    border-top: 1px dotted #444 !important;
}

.post .post_head {
    border-bottom: 1px dotted #333 !important;
}

.post_content .signature {
    border-top: 1px dotted #333 !important;
}

blockquote {
    background: #333 !important;
    border: 1px solid #444 !important;
}

blockquote cite {
    border-bottom: 1px solid #555 !important;
}

.codeblock {
    background: #333 !important;
    border: 1px solid #444 !important;
}

.codeblock .title {
    border-bottom: 1px solid #555 !important;
}

code {
    background: #333 !important;
    border: 1px solid #444 !important;
}

code:before {
    border-bottom: 1px solid #444 !important;
}

.tfoot {
    background: #333 !important;
    border-top: 1px solid #262626 !important;
}

textarea {
    background: #111 !important;
    border: 1px solid #303030 !important;
}

body, button, input, select, textarea {
    color: #aaa !important;
}

html, body, p, code:before, table {
    color: #aaa !important;
}

input.button {
    background: #2b2b2b !important;
    border: 1px solid #444 !important;
}

input.textbox {
    background: #333 !important;
    border: 1px solid #222 !important;
}

footer {
    color: #555 !important;
}

#footer .wrapper {
    border: 0 none !important;
}

#footer .upper {
    background: #1b1b1b !important;
    border: 1px solid #303030 !important;
}


select {
    background: #2b2b2b !important;
    border: 1px solid #444 !important;
}

.thead a {
    color: #fff !important;
}

.drop_go_page {
    background: #444 !important;
    border: 1px solid #222 !important;
}

footer {
    background: #444 !important;
    border-top: 1px solid #333 !important;
}

fieldset {
    border: 1px solid #444 !important;
}

.select2-container-multi .select2-choices {
    border: 1px solid #555 !important;
background: #292929 !important;
}

.select2-drop {
    background-color: #333 !important;
    color: #aaa !important;
}

.select2-results .select2-no-results, .select2-results .select2-searching, .select2-results .select2-selection-limit {
    background-color: #333 !important;
}

div.select2-container-multi .select2-choices .select2-search-field input.select2-active {
background-color: #333 !important;
}

.select2-container .select2-choice {
    background-color: #2b2b2b !important;
    border: 1px solid #444 !important;
}

.blog_updates.release {
    background-color: #fce972 !important;
    border-color: #ffe752 !important;
    color: #555 !important;
}

.blog_updates.latest {
    background-color: #cdff5e !important;
    border-color: #c9ff52 !important;
    color: #555 !important;
}

.pm_alert {
    background-color: #fce972 !important;
    border-color: #ffe752 !important;
    color: #555 !important;
}

.mysupport_staff_highlight {
    background: rgba(255, 255, 255, 0.2) !important;
}

div.sceditor-dropdown label {
    color: #aaa !important;
}

div.sceditor-dropdown input, div.sceditor-dropdown textarea {
    background: #222 !important;
    border: 1px solid #555 !important;
}

.popup_menu {
    background: #222 !important;
    border: 0 none !important;
}

.popup_menu .popup_item {
    background: #444 !important;
}

button {
    background: #333 !important;
    border: 1px solid #555 !important;
    border-radius: 2px !important;
    margin: 1px !important;
}

button:hover {
    background: #444 !important;
}
#content {
background: #333;
}