img{ border: 0pt; }

#bottom_div{
width:100%;
height: 150px;
background-color: #b9d1ea;
clear:both;
}

#vista_toolbar {
float:left;
font:normal 12px 'Trebuchet MS','Arial';
margin:0;
padding:0;
}

#vista_toolbar ul {
background-image:url(back.gif);
background-repeat:repeat-x;
float:left;
line-height:32px;
list-style:none;
margin:0;
padding:0 10px 0 10px;
width:100%;
}

#vista_toolbar li {
display:inline;
padding:0;
}

#vista_toolbar a {
color:#FFF; /* 默认链接颜色 */
float:left;
padding:0 3px 0 3px; /* left.png 需要3px */ 
text-decoration:none;
}

#vista_toolbar a span {
display:block;
float:none;
padding:0 10px 0 7px;
}

#vista_toolbar a span img {
border:none;
margin:8px 4px 0 0;
}

/* 鼠标移上去时显示图片 */
#vista_toolbar a:hover{
background: url(left.png) no-repeat left center;
}

#vista_toolbar a:hover span {
background:url(right.png) no-repeat right center;
}

#vista_toolbar a.right {
float:right; /* 帮助，要浮动到右边 */
}