#ul_tw { 
	
    height:300px;
	width:368px; 
    margin:0px; 
    list-style:none;
	display: inline;
	list-style-type:none;	
} 

#ul_tw li { 
    float:left; 
    margin:0 12px 12px 0; 
    display:inline-block;
	width:100px;
	height:60px;
	background-color: #CCCCCC ;
	margin-bottom:5px;
	
	
	
	
	
	
}