PM

http://community.wikia.com/wiki/User_blog:Thisismyrofl/Suggestion:_Chat_PM_visibility_(With_working_CSS!)

/*
Jerry-rigged always-visible PM messages.
Very useful on very-active chats like CC.
Otherwise to PM there is much scrolling back and forth.
*/

#WikiChatList {
overflow:auto;
padding-bottom:10px;
height:70%; /* Chrome users: recommended to use 40% instead */
resize:vertical;
}

#Rail {
overflow:hidden;
}

#Rail h1.private {
display:block !important; /* Silver "Private Messages" bar always visible. This makes it clear that the above userlist is limited - and resizable. */
}

span.username {
resize:none !important; /* Fix odd Chrome bug: resizable span tags that should not be... */
}

/*Also, I've added some extra styling to my global CSS to prettify this further:*/

/* Adds gradient shading to chat rail wordmark */
#Rail h1.public {
box-shadow:none;
-webkit-box-shadow:none;
background:#D7D7D7;
background-image:-moz-linear-gradient(top,whitesmoke 0,#D7D7D7 100%);
background-image:-webkit-gradient(linear,0% 0%,0% 100%,color-stop(0,whitesmoke),color-stop(100%,#D7D7D7));
background-image:-o-linear-gradient(top,whitesmoke 0,#D7D7D7 100%);
background-image:-ms-linear-gradient(top,whitesmoke 0,#D7D7D7 100%);
border-bottom:1px solid #BABABA;
margin-top:0px;
text-align:center;
padding-left:0px;
}

/* gets rid of the collapsing chevron */
#Rail h1.public img.chevron {
display:none !important;
}

/* centers the wordmark */
#Rail h1.public img.wordmark {
vertical-align:baseline;
padding-left:0px;
}