Django Python Twitter + CSS

Django_Python_Twitter_Template_Tags.html

<div id="twitter-icon" class="span-2">
    <a href="http://twitter.com/adeleinr"><img alt="adeleinr" src="http://a0.twimg.com/profile_images/1115342278/me2_normal.jpg"></a>
</div>
<div id="twitter" class="span-16 last"> 
    <ul>
        {% for message in messages %}
          <li class="{% cycle 'even' 'odd' %} 
                     {% if forloop.last %}
                       last-row 
                     {% endif %}
                     {% if forloop.first %}
                       first-row
                     {% endif %}">
                   
                     {{ message|safe|urlize }}
          </li>
	 {% endfor %}
    </ul>
<div>

################ CSS ########################


#twitter-icon{
  padding-top: 0px;
  margin-top: 39px;
  text-align: right;
  margin-right:0px;
}
#twitter{
  margin-top: 10px;
}

#twitter a{	
  text-decoration: none;
}

#twitter ul{
  font-family: verdana; !important
  margin: 0px; !important
  padding-left: -1,5em; !important
  font-size: 12px;
 }		
 #twitter ul li{ 	
   padding: 15px;
   color: #B8B8B8;
   list-style: none; 
 }
#twitter ul:before{
  border-bottom:10px solid transparent;
  border-right:10px solid #F0F0F0; 
  border-top:10px solid transparent;
  content:"";
  display:block;
  font-size:14px;
  left:-10px;
  line-height:0;
  margin:0;
  position:relative;
  top:43px;
  width:0;
}

 
.first-row{
   font-size: 18px;
  -webkit-border-top-right-radius: 15px;
  -webkit-border-top-left-radius: 15px;
  -moz-border-radius-topright: 15px;
  -moz-border-radius-topleft: 15px;
 }
 
.last-row{
  -webkit-border-bottom-right-radius: 15px;
  -webkit-border-bottom-left-radius: 15px;
  -moz-border-radius-bottomright: 15px;
  -moz-border-radius-bottomleft: 15px;
 }
 
.even{
   background-color: #F0F0F0;
 }
 
.odd{
   background-color:#D5DFFF;
 }