Смещение текста в Mozilla Firefox

body {
background: url([url]http://www.che.com/img/bg.gif);[/url]
font-family:Verdana;
font-size:8pt;
}
 
a:link {
color:#8B0000;
text-decoration: none;
}
 
a:hover {
color:#8B0000;
text-decoration: underline;
}
 
.tabset_content {position:relative; z-index:1; padding:0.5em 1em; display:none }
.tabset_content_active  { display:block }
 
@media aural{
    .tabset_content,
    .tabset_label   { display:block }
}
 
.tabset_tabs {
 list-style-type: none;
 margin-top:-10px;
}
 
.main {
width:70%;
margin-top:50px;
margin-left:130px;
 
}
 
.side{
background:#fff;
border-radius: 10px 70px;
width:700px;
height:100%;
border: 2px outset #fff;
}
 
.vmenu {
float:right;
font-family:Segoe UI Light, Segoe UI, sans-serif;
font-weight: lighter;
font-size:40pt;
color:#8B0000;
text-decoration:none;
}
 
.vmenu:hover {
float:right;
font-family:Segoe UI Light, Segoe UI, sans-serif;
font-weight: lighter;
font-size:40pt;
color:#fff;
text-decoration:none;
background:#8B0000;
cursor: url(img/icon.png);
}
 
 
.head {
float:right;
font-family:Segoe UI Light, Segoe UI, sans-serif;
font-weight: lighter;
font-size:20pt;
text-align:right;
}
 
.h1 {
font-family:Segoe UI Light, Segoe UI, sans-serif;
font-weight: lighter;
font-size:12pt;
}
 
.ph {
height:150px;
width:200px;
display: inline;
}
 
.tlph {
background:grey;
width:300px;
color:white;
border-radius: 10px 10px 0 0;
}
 
.tlph2 {
background:#f5f5f5;
width:350px;
color:black;
border-top:1px solid #cdcdcd;
height:20px;
}
 
.tlph_p {
background:grey;
width:300px;
color:white;
border-radius: 10px 10px 0 0;
}
 
.mem {
background:orange;
width:350px;
color:white;
border-top:1px solid #cdcdcd;
height:20px;
 
}
 
.mem2 {
background:orange;
width:640px;
color:white;
height:20px;
font-family:Segoe UI Light;
font-size:12pt;
 
}
 
 
.tle {
margin-left:5px;
}
 
.wlink {
color:#fff;
}
 
.wlink:hover {
color:#fff;
text-decoration:none;
}
 
.date{
float:right;
margin-right:5px;
}
 
.empt {
border-bottom:1px dotted #cdcdcd;
width:350px;
}
 
.empt2 {
border-bottom:1px dotted #cdcdcd;
width:200px;
}
 
.empt3 {
border-bottom:1px dotted #cdcdcd;
width:640px;
}
 
.footer {
font-size:8pt;
margin-top:20px;
margin-bottom:20px;
margin-left:500px;
}
 
 
#contact-wrapper {
    width:580px;
    border:1px solid #e2e2e2;
    background:#f1f1f1;
    padding:20px;
    border-radius: 10px 10px 10px 10px;
}
#contact-wrapper div {
    clear:both;
    margin:1em 0;
}
#contact-wrapper label {
    display:block;
    float:none;
    font-size:16px;
    width:auto;
}
form#contactform input {
    border-color:#B7B7B7 #E8E8E8 #E8E8E8 #B7B7B7;
    border-style:solid;
    border-width:1px;
    padding:5px;
    font-size:16px;
    color:#333;
}
form#contactform textarea {
    font-family:Arial, Tahoma, Helvetica, sans-serif;
    font-size:100%;
    padding:0.6em 0.5em 0.7em;
    border-color:#B7B7B7 #E8E8E8 #E8E8E8 #B7B7B7;
    border-style:solid;
    border-width:1px;
}
 
.changes {
opacity: 0.5; 
filter: alpha(Opacity=50);
padding-left:5px;
background:White;
color:grey;
-webkit-transition: background 0.5s, color 0.3s ease;
}
 
.opacity {
opacity: 0.75; 
filter: alpha(Opacity=75);
-webkit-transition: background 0.5s, color 0.3s ease;
}
 
.opacity:hover {
opacity: 1; 
filter: alpha(Opacity=100);
}
 
.leftimg {
float:left; 
margin: 7px 7px 7px 0;
}
   
.rightimg  {
float: right; 
margin: 7px 0 7px 7px; 
}