#profile.formal .fs-box .post-content {
  max-width: 75%;
}

#profile.formal fieldset .fs-box {
  max-width: 80%;
}

<!-- Система оповещения о личных сообщениях v.2-->
<script type="text/javascript"> 
if((document.getElementById("navpm").innerHTML.indexOf("(") != -1) && (document.URL.indexOf("messages.php") == -1)) {document.write('<div id="messanger" class="container" style="padding: 15px; text-align: right; background-color: #c4c1c6;"><span><img style="border: 2px solid #61211D;" align="left" src="'+UserAvatar+'" width="60" height="60" alt="">Привет, <strong>'+UserLogin+'</strong><br>у Вас новое личное сообщение</span><br /><br /> <ul class="pisma"></ul><audio autoplay="autoplay"><source src="http://www.orangefreesounds.com/wp-content/uploads/2015/05/Airplane-ding-sound.mp3" type="audio/mpeg"></audio><br /><span id="closer" ><strong>&nbsp;X&nbsp;</strong></span></div>');}
$.get('messages.php','',processMessage);
function processMessage(data){
$(data).find('tr.icon').each(function(){  
var QMess=$(this).find('div.tclcon a').text();var QLink=$(this).find('div.tclcon a').attr('href');var Qautor=$(this).find('td.tc2 a').text();
var QProf=$(this).find('td.tc2 a').attr('href');ProfilUser = /(.*?)\/profile\.php\?id=(\d+)/g;
RrofId=(QProf.replace(ProfilUser, '$2'));
$.get('profile.php?section=avatar&id='+RrofId,'',processGetImg);
function processGetImg(data){
$(data).find('td#profile-left li div, div.fs-box').map(function(){  
var ZAva=$(this).find('img').attr('src');
$('.pisma').append('<li><a onclick=\'window.open(href="'+QLink+'"); return false\'  class="mess" href="'+QLink+'">'+QMess+'</a> от <a onclick=\'window.open(href="'+QProf+'"); return false\'  class="mess" href="'+QProf+'">'+Qautor+'</a><img style="border: 1px solid #61211D;margin: 3px 0 -2px 5px;" src="'+ZAva+'" width="24" height="24" alt=""></li>');
$('.mess').click(function(){
$('#messanger').toggle();}); 
 });} });}
$('#closer').click(function(){
$('#messanger').slideToggle('slow');});
</script>
<style>.punbb .pa-avatar img {max-width:180px;height:auto;}</style>
<script type="text/javascript">