#element1 {background-color: #FF0000;}

#elemnt1 {height: 200px; width: 70%;}

<style type="text/css">
HTML, BODY {background-color: #FFFF33; background-image: url("http://forum.mybb.ru/viewtopic.php?pid=44#p44.jpg"); background-repeat: no-repeat; background-attachment: fixed; background-position: top center;}
#pun {background-color: transparent; width: 76%;}
#pun-title table {background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/header.gif);
height : 132px; 
}
#pun-title .title-logo {background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/logo.gif);
background-repeat : no-repeat; height : 132px;
}
#pun-title .title-logo span {display: none;}
#pun-navlinks .container {
padding-top : 4px;  background-color : #C0C0C0;
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
font-weight: bold;
text-align: center;
}
#pun-navlinks a:link, #pun-navlinks a:visited, #pun-navlinks a:link span, #pun-navlinks a:visited span {color: green;}
#pun-navlinks a:hover, #pun-navlinks a:hover span { 
color: red;
#pun-ulinks .container {
background-color : #00FFFF !important;
}
#pun-ulinks a {
color : #00FFFF
}
#pun-announcement h2 {background-color: #FF0000; color: red}
#pun-status .container { color : red;
background-color : #9900CC;
}
#pun-crumbs1 .container,  #pun-crumbs2 .container{
color : red; background-color : #00FFFF !important;
}
</style>

HTML, BODY {...}

<style type="text/css">
HTML, BODY {background-color: #FFFF33; background-image: url("http://forum.mybb.ru/viewtopic.php?pid=44#p44.jpg"); background-repeat: no-repeat; background-attachment: fixed; background-position: top center;}
</style>

<style type="text/css">
HTML, BODY {background-image: url("http://m.foto.radikal.ru/0704/15/f6d7a1fb3c3d.jpg")!important; background-repeat: repeat !important;}
</style>

#pun {...}

<style type="text/css">
#pun {background-color: transparent; width: 76%;}
</style>

#pun-title table {...}

<style type="text/css">
#pun-title table {background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/header.gif);
height : 132px;
}
</style>

#pun-title .title-logo {...}

<style type="text/css">
#pun-title .title-logo {background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/logo.gif);
background-repeat : no-repeat; height : 132px;
}
</style>

<style type="text/css">
#pun-title .title-logo span {display: none;}
</style>

#pun-navlinks .container {...}

<style type="text/css">
#pun-navlinks .container {
padding-top : 4px;  background-color : #C0C0C0;
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
font-weight: bold;
text-align: center;
}
</style>

#pun-navlinks a {color: #FF0000;}

a:link - для нормальной ссылки
a:visited - для ссылки после посещения
a:hover - для ссылки при наведении мышкой

<style type="text/css">
#pun-navlinks a:link, #pun-navlinks a:visited {color: green;}
#pun-navlinks a:hover { 
color: red;
}
</style>

<style type="text/css">
#pun-navlinks a:link, #pun-navlinks a:visited, #pun-navlinks a:link span, #pun-navlinks a:visited span {color: green;}
#pun-navlinks a:hover, #pun-navlinks a:hover span { 
color: red;
}
</style>

li#navindex a span {...}

li#navextra1 a  {...}

li#navuserlist a span {...}

li#navsearch a span {...}

li#navprofile a span {...}

li#navpm a span {...}

li#navadmin a span {...}

li#navlogout a span {...}

#pun-ulinks .container {...}

<style type="text/css">
#pun-ulinks .container {
background-color : #00FFFF !important;
}
</style>

<style type="text/css">
#pun-ulinks a {
color : #00FFFF
}
</style>

#pun-announcement h2 {...}

<style type="text/css">
#pun-announcement h2 {background-color: #FF0000; color: red}
</style>

#pun-announcement .container {...}

#pun-status .container {...}

<style type="text/css">
#pun-status .container { color : red;
background-color : #9900CC;
}
</style>

#pun-crumbs1 .container {
...}

<style type="text/css">
#pun-crumbs2 .container {
color : red; background-color : #00FFFF !important;
}
</style>

<style type="text/css">
#pun-main h2 { 
color : green;
background-color : transparent; background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
}
#pun th {
color: red; background-color : #FF00FF; background-image : url(http://i17.photobucket.com/albums/b80/Zebra_/Senzanome.jpg);
}
Div.icon {
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
background-repeat: no-repeat;
}
TR.inew Div.icon {
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
background-repeat: no-repeat;
}
TR.isticky Div.icon {
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
background-repeat: no-repeat;
}
TR.iclosed Div.icon {
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
background-repeat: no-repeat;
}
TR.iredirect Div.icon {
background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
background-repeat: no-repeat;
}
#pun .tcl, #pun .tcr {width: 20%;}
#pun  .tc2, #pun .tc3 { color: red;
background-color : #FF0000;
}
.modlist {display: none;}
#pun-main td {
border-color : #00FFFF;
}
</style>

    <style type="text/css">
    #pun {
    width : 90%;
    }
    </style>

#pun-main h2 {...}

    <style type="text/css"> #pun-main h2 {
    color : green;
    background-color : transparent; background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
    }
    </style>

#pun th {...}

    <style type="text/css"> #pun th {
    color: red; background-color : #FF00FF; background-image : url(http://i17.photobucket.com/albums/b80/Z … zanome.jpg);
    }
    </style>

    <style type="text/css"> Div.icon {
    background-image : url();
    background-repeat: no-repeat;
    }
    </style>

    <style type="text/css">TR.inew Div.icon {
    background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
    background-repeat: no-repeat;
    }
    </style>

    <style type="text/css">TR.isticky Div.icon {
    background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
    background-repeat: no-repeat;
    }
    </style>

    <style type="text/css"> TR.iclosed Div.icon {
    background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
    background-repeat: no-repeat;
    }
    </style>

    <style type="text/css"> TR.iredirect Div.icon {
    background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/old.gif);
    background-repeat: no-repeat;
    }
    </style>

.punbb table Div.icon {float: left; display: block; width: 30px; height: 30px; border-style: none none none none;}

#pun .tcl {...}

#pun .tcl {width: 20%;}

#pun .tc2 {...}

<style type="text/css">#pun  .tc2 { color: red;
    background-color : #FF0000;
    }
    </style>

#pun .tc3 {...}

#pun .tcr {...}

.modlist {...}

    <style type="text/css">.modlist {display: none;}</style>

    <style type="text/css">#pun-main td {
    border-color : #00FFFF;
    }
    </style>

<style type="text/css">
#pun-stats .container {
color : red;
background-color : #FF00FF;
}
li#onlinelist {
border-top-style : solid; border-top-width : 2px; border-top-color : #00FFFF; background-color: #FFCCCC;
}
li#onlinelist div {
text-align : center; color: green; background-color: #CC66FF;
}
#pun-about p.container {text-align : center; color: green; background-color: #CC66FF;}
#html-footer .container {background-color: #00FF00; color: #FF0000;}
</style>

#pun-stats .container {...}

#pun-stats .statscon {...}

    <style type="text/css">#pun-stats .container {
    color : red;
    background-color : #FF00FF;
    }
    </style>

li#onlinelist {...}

    <style type="text/css"> li#onlinelist {
    border-top-style : solid; border-top-width : 2px; border-top-color : #00FFFF; background-color: #FFCCCC;
    }
    </style>

li#onlinelist div {...}

    <style type="text/css">li#onlinelist div {
    text-align : center; color: green; background-color: #CC66FF;
    }
    </style>

#pun-crumbs2 p.container {...}

    <style type="text/css">#pun-crumbs2 p.container {
    color : red; background-color : #00FFFF;
    }
    </style>

#pun-about p.container {...}

#html-footer .container {...}

<style type="text/css">#html-footer .container {background-color: #00FF00; color: #FF0000;}</style>

<style tye="text/css">
#pun-main h1 {
color : green;
background-color : #FF00FF; background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
}
#pun-main .pagelink, #pun-main .postlink {color: red;}
#pun-main .modmenu p.container {
color : red; background-color: #00FFFF;
}
#pun-main .modmenu p.container strong {color: red;}
#pun-main .modmenu .container a:link, #pun-main .modmenu .container a:visited {
color : yellow;
}
</style>

#pun-main h1 {...}

    <style type="text/css"> #pun-main h1 {
    color : green;
    background-color : #FF00FF; background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
    }
    </style>

#pun-main .pagelink {...}

#pun-main .postlink {...}

#pun-main .modmenu p.container {...}

    <style type="text/css"> #pun-main .modmenu p.container {
    color : red; background-color: #00FFFF;
    }
    </style>

#pun-main .modmenu p.container strong {...}

    <style type="text/css"> #pun-main .modmenu .container a:link, #pun-main .modmenu .container a:visited {
    color : yellow;
    }
    </style>

<style type="text/css">
#pun-main .post h3 {border-color : #00FFFF;
 background-color : #00FFFF;
}
#pun-main .post h3 span, #pun-main .post .permalink, #pun-main .post h3 strong  { border-color : #00FFFF;
color : #000000; background-color : #FFCCCC; 
}
#pun-main .post-author ul {border-color : #00FFFF;
color : #000000; background-color : #FF9966;
}
#pun-main .post .container {border-color : #00FFFF;
color : #000000; background-color : #FF9966;
}
#pun-main .post-body { border-color : #00FFFF;
color : #000000; background-color : #FFCCCC; 
}
#pun-main .post-content {
background-color : #FFFF33; color : #00FFFF;
}
#pun-main .quote-box, #pun-main .code-box {color: #00FF00; background-color: #FFFFFF;}
#pun-main .post-links li,  #pun-main .post-links ul {
 background-color : #FFCCFF;
}
</style>

#pun-main .post h3 {...}

    <style type="text/css">#pun-main .post h3 {border-color : #00FFFF;
    background-color : #00FFFF;
    }
    </style>

#pun-main .post h3 span {...}

#pun-main .post .permalink {...}

#pun-main .post h3 strong {...}

    <style type="text/css">#pun-main .post h3 span, #pun-main .post .permalink, #pun-main .post h3 strong  { border-color : #00FFFF;
    color : #000000; background-color : #FFCCCC;
    }
    </style>

#pun-main .post-author ul {...}

    <style type="text/css"> #pun-main .post-author ul {border-color : #00FFFF;
    color : #000000; background-color : #FF9966;
    }
    </style>

.pa-author {...}

.pa-title {...}

.pa-reg {...}

.pa-posts {...}

.pa-avatar {...}

.pa-reputation {...}

.pa-ip {...}

.pa-online {...}

#pun-main .post .container {...}

    <style type="text/css"> #pun-main .post .container {border-color : #00FFFF;
    color : #000000; background-color : #FF9966;
    }</style>

#pun-main .post-body {...}

    <style type="text/css"> #pun-main .post-body { border-color : #00FFFF;
    color : #000000; background-color : #FFCCCC;
    }
    </style>

#pun-main .post-content{...}

    <style type="text/css"> #pun-main .post-content {
    background-color : #FFFF33; color : #00FFFF;
    }
    </style>

#pun-main .quote-box {...}

#pun-main .code-box {...}

 <style type="text/css"> #pun-main .quote-box, #pun-main .code-box {color: #00FF00; background-color: #FFFFFF;}</style>

#pun-main .post-links li {...}

#pun-main .post-links ul {...}

    <style type="text/css"> #pun-main .post-links li,  #pun-main .post-links ul {
    background-color : #FFCCFF;
    }
    </style>

<style type="text/css">
#pun-main .formal .container, #pun-main fieldset, #pun-main .fs-box {
background-color : #00FF00; color: red;
}
#pun-main .formsubmit input {
background-color : #FFCCCC;
}
#pun-main .formal textarea {background-color : #FFCCCC;}
</style>

#pun-main .subscribelink {...}

    <style type="text/css">#pun-main .subscribelink {color: #FF0000;}</style>

#pun-main .formal .container {...}

#pun-main fieldset {...}

#pun-main .fs-box {...}

    <style type="text/css">#pun-main .formal .container, #pun-main fieldset, #pun-main .fs-box {
    background-color : #00FF00; color: red;
    }
    </style>

#pun-main .formsubmit input {...}

    <style type="text/css">#pun-main .formsubmit input {
    background-color : #FFCCCC;
    }
    </style>

#pun-main .formal textarea {...}

<style type="text/css">
#profilenav .container {background-color: #FFCC99;}
#profilenav, #profilenav h2, #profilenav h2 span, #profilenav ul  {
color : #FFFFFF; background-color : #FF0000;
}
#profilenav li {
background-color : #FF00FF;
}
#profilenav li а:link,  #profilenav li a:visited{
color : #FF00FF;
}
#profilenav li a:hover {color: #00FF00;}
#profilenav fieldset, #profilenav .fs-box {background-color: #00FFFF;}
</style>

#profilenav .container {...}

#profilenav {...}

#profilenav h2 {...}

#profilenav h2 span {...}

#profilenav ul {...}

    <style type="text/css">#profilenav, #profilenav h2, #profilenav h2 span, #profilenav ul  {
    color : #FFFFFF; background-color : #FF0000;
    }
    </style>

#profilenav li {...}

    <style type="text/css">#profilenav li {
    background-color : #FF00FF;
    }
    </style>

#profilenav li а {...}

    <style type="text/css">#profilenav li а:link,  #profilenav li a:visited{
    color : #FF00FF;
    }
    </style>

#profilenav li a:hover {color: #00FF00;}

#profilenav fieldset{...}

#pun-main .fs-box {...}

<style type="text/css">
#pun-main .fs-box .submitfield input {
background-color : #00FFFF;
}
#setmods dl {
color : red; background-image : url(http://mybb.ru/img/Mybb_Ocean_zero/menu.gif);
}
</style>

#pun-main .fs-box .submitfield input {...}

    <style type="text/css">#pun-main .fs-box .submitfield input {
    background-color : #00FFFF;
    }
    </style>

#setmods dl {...}