This is the basic style.css for this forums system.

---

html, body {
    background-color: #EAEFF4;
    font-family: verdana, arial, helvetica, sans-serif;
    font-size: 100%;
    margin: 0px;
    padding: 0px;
}

.top a:hover {
    background-color: transparent;
}

td.beehive-logo {
    background: transparent;
    align: left;
    width: 150px;
    height: 60px;
    padding: 0px 20px 0px 0px;
}

td.beehive-logo a {
    background: transparent;
    align: left;
    width: 150px;
    height: 60px;
    padding: 0px 20px 0px 0px;
}

.forum_name {
    font-family: verdana, arial, helvetica, sans-serif;
    font-weight: bold;
    font-size: 150%;
    color: #000000;
    margin: 0px;
    padding: 0px 0px 0px 20px;
}

a {
    background-color: transparent;
    color: #000000;
    text-decoration: underline;
}

a.button {
    background-color: #5A809F;
    border: 1px outset;
    color: #FFFFFF;
    cursor: pointer;
    font-size: 100%;
    font-weight: bold;
    margin: 0px;
    outline: none;
    padding: 1px 6px 0px 0px;
    text-align: center;
    text-decoration: none;
}

a.button.upload,
a.button.delete {
    display: inline-block;
    vertical-align: middle;
}

input::-moz-focus-inner {
    border: 0px;
}

input:focus {
    outline: 0px;
}

form {
    margin: 0px;
    padding: 0px;
}

frame {
    border: 0px none #000000;
    margin: 0px;
    padding: 0px;
}

frameset {
    border: 0px none;
    margin: 0px;
    padding: 0px;
}

h1 {
    background-color: #C8D7E6;
    color: #000000;
    font-size: 100%;
    font-weight: bold;
    margin: 0px;
    padding: 2px;
    text-decoration: none;
}

h2 {
    background-color: transparent;
    color: #000000;
    font-size: 90%;
    font-weight: bold;
    margin: 05px 05px 05px 0px;
    text-decoration: none;
}

h3 {
    font-size: 100%;
}

h6 {
    font-size: 80%;
}

img {
    vertical-align: bottom;
}

p {
    color: #000000;
    font-size: 100%;
}

p,
h1,
h2 {
    text-decoration: none;
}

span.ui-helper-hidden-accessible {
    display: none;
}

ul.ui-autocomplete {
    background-color: white;
    border-color: #82827E #F9F9F6 #F9F9F6 #82827E;
    border-style: solid;
    border-width: 1px;
    overflow: hidden;
    padding: 0px;
}

ul.ui-autocomplete li {
    cursor: default;
    display: block;
    font-size: 100%;
    line-height: 16px;
    margin: 0px;
    overflow: hidden;
}

ul.ui-autocomplete li a {
    display: block;
    padding: 3px;
    text-decoration: none;
}

ul.ui-autocomplete li a:hover,
ul.ui-autocomplete li a.ui-state-focus {
    background-color: #A6BED7;
    color: #FFFFFF;
}

.activeusers {
    font-size: 85%;
    padding: 8px 0px 0px 0px;
}

.birthdayusers {
    font-size: 85%;
    padding: 8px 0px 0px 0px;
}

.add_upload_field {
    cursor: pointer;
}

.admin_folder_perms {
    height: 140px;
    overflow: auto;
    padding: 2px;
}

.admin_options_dropdown {
    width: 300px;
}

.admin_settings_text {
    font-size: 90%;
}

.admin_tools_textarea {
    font-family: monospace;
    width: 650px;
}

.adminipdisplay {
    font-size: 90%;
}

.approved_text {
    font-size: 75%;
}

.attachment_thumb {
    border: 1px solid #777777;
    display: inline-block;
    margin: 5px;
    padding: 5px;
}

.banned_dropdown {
    height: 100px;
    width: 250px;
}

.beehive_bar {
    color: #000000;
    padding-left: 2px;
}

.bhinputcheckbox,
.bhinputradio {
    font-size: 90%;
}

.bhinputcheckboxdisabled,
.bhinputradiodisabled {
    color: #808080;
}

.bhinputlogon {
    width: 165px;
}

.bhseparatorlogon {
    border: 0px solid #A6BED7;
    border-top-width: 1px;
    margin: 10px 0px 5px 0px;
}

.bhinputlogon_warning {
    font-size: 75%;
}

select.bhinputprofileitem {
    width: 574px;
}

.bhinputprofileitem {
    width: 570px;
}

.bhinputprofileprivacy {
    width: 100px;
}

.bhinputsearch {
    background-color: #FFFFFF;
    border: 1px solid #82827e;
    border-bottom-color: #F9F9F6;
    border-right-color: #F9F9F6;
    float: left;
}

.bhinputtext,
.bhtextarea,
.bhselect,
.install_input,
.bhinputlogon,
.bhlogondropdown,
.register_dropdown,
.search_dropdown,
.banned_dropdown,
.links_dropdown,
.timezone_dropdown,
.admin_tools_textarea,
.dictionary_word_display,
.dictionary_best_selection,
.dictionary_change_to,
.post_folder_dropdown,
.thread_title,
.post_content,
.signature_content,
.edit_signature_content,
.friends_dropdown,
.recipient_dropdown,
.recent_user_dropdown,
.admin_options_dropdown,
.user_in_thread_dropdown,
.user_pref_field,
.bhinputprofileitem,
.bhinputprofileprivacy,
.text_captcha_input,
.user_pref_dob_dropdown,
.user_pref_dropdown {
    background-color: #FFFFFF;
    border: 1px inset;
    color: #000000;
    font-size: 100%;
    padding-left: 2px;
}

.bhlightinput {
    font-size: 100%;
    max-height: 40%;
    max-width: 90%;
}

.bhlightselect {
    max-width: 75%;
}

.bhlogondropdown {
    width: 169px;
}

.bhlogonother {
    font-style: italic;
    padding-left: 5px;
}

.bhlogonseparator {
    max-width: 100%;
    width: 350px;
}

.bhselectoptgroup {
    font-size: 100%;
}

.box {
    background-color: #FFFFFF;
    border: 1px solid #000000;
    padding: 0px;
}

.button,
.dictionary_button {
    background-color: #5A809F;
    border-width: 1px;
    color: #FFFFFF;
    cursor: pointer;
    font-size: 100%;
    font-weight: bold;
    margin: 0px;
    padding: 1px 6px 0px 0px;
    text-align: center;
    text-decoration: none;
}

.button_disabled {
    background-color: #EBEBE4;
    border: 1px solid buttonhighlight;
    border-bottom-color: buttonshadow;
    border-right-color: buttonshadow;
    color: #808080;
    cursor: pointer;
    font-size: 100%;
    font-weight: bold;
    margin: 0px;
    padding: 1px 6px 0px 0px;
    text-align: center;
    text-decoration: none;
}

.button_image {
    background: transparent;
    border: none;
    cursor: pointer;
    overflow: visible;
    padding: 0px;
    width: auto;
}

.button_image span {
    display: inline-block;
    margin: 0px;
}

.button_image.disabled {
    opacity: 0.4;
}

.button_image.add_option {
    padding-left: 35px;
}

.button_image.delete_option {
    vertical-align: text-bottom;
}

.button_image.delete_question {
    vertical-align: text-bottom;
}

.code {
    background-color: #EEEEEE;
    border: 1px solid #CCCCCC;
    font-family: monospace;
    font-size: 120%;
    color: #000000;
    margin: 0px 10px 10px 40px;
    overflow: auto;
    padding: 3px;
}

pre.code span.emoticon {
    background-image: none;
}

pre.code span.emoticon span {
    display: inherit;
}

fieldset.poll_question {
    margin: 5px 0px 0px 0px;
    width: 680px;
}

fieldset.poll_question + fieldset.poll_question {
    margin: 10px 0px 5px 0px;
}

div.sig {
    margin-top: 10px;
}

div.poll_option_list ol {
    margin-bottom: 5px;
}

div.poll_option_list ol li {
    margin: 5px 0px 0px 0px;
}

div#toolbar {
    background-color: #F5F5F5 !important;
}

.create_poll_display {
    border: 1px solid #808080;
    height: 450px;
    margin-right: 10px;
    overflow: auto;
    padding: 2px;
    width: 540px;
}

.dictionary_best_selection {
    height: 85px;
    margin: 0px;
    padding: 0px;
    width: 330px;
}

.dictionary_best_selection option {
    padding-left: 5px;
    width: 300px;
}
…[Message Truncated] View full message.

This is the default images.css for this site's forums system.

---

.image {
    display: inline-block;
    background-image: url('./images/images.png');
    background-repeat: no-repeat;
    overflow: hidden;
    text-indent: -9999px;
    text-align: left;
    vertical-align: middle;
}

.image.beehive_logo {
    width: 150px;
    height: 28px;
}

.image.mobile_logo {
    width: 150px;
    height: 28px;
}

.image.mobile_back {
    background-position: -200px -60px;
    width: 30px;
    height: 30px;
}

.image.mobile_icon {
    background-position: -230px -60px;
    width: 30px;
    height: 30px;
}

.image.mobile_menu {
    background-position: -260px -60px;
    width: 30px;
    height: 30px;
}

.image.mobile_navigation {
    background-position: -290px -60px;
    width: 30px;
    height: 30px;
}

.image.mobile_post {
    background-position: -320px -60px;
    width: 30px;
    height: 30px;
}

.image.mobile_reply_all {
    background-position: -200px -90px;
    width: 30px;
    height: 30px;
}

.image.add {
    background-position: -230px -90px;
    width: 16px;
    height: 16px;
}

.image.admin_locked {
    background-position: -246px -90px;
    width: 16px;
    height: 16px;
}

.image.admin_tool {
    background-position: -262px -90px;
    width: 16px;
    height: 16px;
}

.image.approved {
    background-position: -278px -90px;
    width: 16px;
    height: 16px;
}

.image.attach {
    background-position: -294px -90px;
    width: 16px;
    height: 16px;
}

.image.bigstar, .image.forum_add_favourite, .image.forum_remove_favourite {
    background-position: 50% 50%;
    background-image: url('./images/bigstar.png');
    width: 16px;
    height: 16px;
}

.image.bullet {
    background-position: -310px -90px;
    width: 16px;
    height: 16px;
}

.image.close {
    background-position: -326px -90px;
    width: 16px;
    height: 16px;
}

.image.current_thread {
    background-position: -0px -106px;
    width: 16px;
    height: 16px;
}

.image.default_forum {
    background-position: -230px -106px;
    width: 16px;
    height: 16px;
}

.image.default_group {
    background-position: -16px -106px;
    width: 16px;
    height: 16px;
}

.image.delete {
    background-position: -246px -106px;
    width: 16px;
    height: 16px;
}

.image.edit {
    background-position: -32px -106px;
    width: 16px;
    height: 16px;
}

.image.email {
    background-position: -262px -106px;
    width: 16px;
    height: 16px;
}

.image.enemy {
    background-position: -48px -106px;
    width: 16px;
    height: 16px;
}

.image.error {
    background-position: -278px -106px;
    width: 16px;
    height: 16px;
}

.image.export {
    background-position: -64px -106px;
    width: 16px;
    height: 16px;
}

.image.folder {
    background-position: -294px -106px;
    width: 16px;
    height: 16px;
}

.image.folder_add {
    background-position: -80px -106px;
    width: 16px;
    height: 16px;
}

.image.folder_ignored {
    background-position: -310px -106px;
    width: 16px;
    height: 16px;
}

.image.folder_subscribed {
    background-position: -96px -106px;
    width: 16px;
    height: 16px;
}

.image.forward {
    background-position: -326px -106px;
    width: 16px;
    height: 16px;
}

.image.friend {
    background-position: -112px -106px;
    width: 16px;
    height: 16px;
}

.image.help {
    background-position: -128px -106px;
    width: 16px;
    height: 16px;
}

.image.high_interest {
    background-position: -144px -106px;
    width: 16px;
    height: 16px;
}

.image.home {
    background-position: -160px -106px;
    width: 16px;
    height: 16px;
}

.image.link {
    background-position: -176px -106px;
    width: 16px;
    height: 16px;
}

.image.link_add {
    background-position: -192px -120px;
    width: 16px;
    height: 16px;
}

.image.mark_as_unread {
    background-position: -208px -120px;
    width: 16px;
    height: 16px;
}

.image.merge_thread {
    background-position: -0px -122px;
    width: 16px;
    height: 16px;
}

.image.message_down {
    background-position: -224px -122px;
    width: 16px;
    height: 16px;
}

.image.message_up {
    background-position: -16px -122px;
    width: 16px;
    height: 16px;
}

.image.mods_list {
    background-position: -240px -122px;
    width: 16px;
    height: 16px;
}

.image.move_down {
    background-position: -32px -122px;
    width: 16px;
    height: 16px;
}

.image.move_up {
    background-position: -256px -122px;
    width: 16px;
    height: 16px;
}

.image.options {
    background-position: -48px -122px;
    width: 16px;
    height: 16px;
}

.image.pm_read {
    background-position: -272px -122px;
    width: 16px;
    height: 16px;
}

.image.pm_unread {
    background-position: -64px -122px;
    width: 16px;
    height: 16px;
}

.image.poll {
    background-position: -288px -122px;
    width: 16px;
    height: 16px;
}

.image.post {
    background-position: -80px -122px;
    width: 16px;
    height: 16px;
}

.image.post_options {
    background-position: -304px -122px;
    width: 16px;
    height: 16px;
}

.image.post_read {
    background-position: -96px -122px;
    width: 16px;
    height: 16px;
}

.image.post_unread {
    background-position: -320px -122px;
    width: 16px;
    height: 16px;
}

.image.print {
    background-position: -112px -122px;
    width: 16px;
    height: 16px;
}

.image.quick_reply {
    background-position: -128px -122px;
    width: 16px;
    height: 16px;
}

.image.quick_reply_all {
    background-position: -144px -122px;
    width: 16px;
    height: 16px;
}

.image.reload {
    background-position: -160px -122px;
    width: 16px;
    height: 16px;
}

.image.reply_all {
    background-position: -176px -122px;
    width: 16px;
    height: 16px;
}

.image.rss {
    background-position: -192px -136px;
    width: 16px;
    height: 16px;
}

.image.search {
    background-position: -208px -136px;
    width: 16px;
    height: 16px;
}

.image.search_button {
    background-position: 50% 50%;
    background-image: url('./images/search.gif');
    width: 16px;
    height: 16px;
}

.image.separator {
    background-position: -224px -138px;
    width: 16px;
    height: 16px;
}

.image.set_default_forum {
    background-position: -16px -138px;
    width: 16px;
    height: 16px;
}

.image.set_default_group {
    background-position: -240px -138px;
    width: 16px;
    height: 16px;
}

.image.sort_asc {
    background-position: -32px -138px;
    width: 16px;
    height: 16px;
}

.image.sort_desc {
    background-position: -256px -138px;
    width: 16px;
    height: 16px;
}

.image.split_thread {
    background-position: -48px -138px;
    width: 16px;
    height: 16px;
}

.image.sticky {
    background-position: -272px -138px;
    width: 16px;
    height: 16px;
}

.image.stop {
    background-position: -64px -138px;
    width: 16px;
    height: 16px;
}

.image.subscribe {
    background-position: -288px -138px;
    width: 16px;
    height: 16px;
}

.image.success {
    background-position: -80px -138px;
    width: 16px;
    height: 16px;
}

.image.thread_closed {
    background-position: -304px -138px;
    width: 16px;
    height: 16px;
}

.image.thread_options {
    background-position: -96px -138px;
    width: 16px;
    height: 16px;
}

.image.thread_starter {
    background-position: -320px -138px;
    width: 16px;
    height: 16px;
}

.image.unread_thread {
    background-position: -112px -138px;
    width: 16px;
    height: 16px;
}

.image.warning {
    background-position: -128px -138px;
    width: 16px;
    height: 16px;
}

.image.hide {
    background-position: -144px -138px;
    width: 15px;
    height: 15px;
}

.image.quote_disabled {
    background-position: -159px -138px;
    width: 15px;
    height: 15px;
}

.image.quote_enabled {
    background-position: -174px -138px;
    width: 15px;
    height: 15px;
}

.image.show {
    background-position: -189px -152px;
    width: 15px;
    height: 15px;
}

.image.status_offline {
    background-position: -336px -122px;
    width: 12px;
    height: 12px;
}

.image.status_online {
    background-position: -336px -134px;
    width: 12px;
    height: 12px;
}

.image.vote_down_off {
    background-position: -336px -146px;
    width: 12px;
    height: 12px;
}

.image.vote_down_on {
    background-position: -204px -152px;
    width: 12px;
    height: 12px;
}

.image.vote_up_off {
    background-position: -144px -153px;
    width: 12px;
    height: 12px;
}

.image.vote_up_on {
    background-position: -156px -153px;
    width: 12px;
    height: 12px;
}

image.loading {
    background-image: url('./images/loading.gif');
    width: 15px;
    height: 15px;
}