input{ border:none; padding:0px; margin:0px; list-style:none;}
.top_search{ float:right; border-radius:7px; overflow:hidden; margin-top:5px;}
.search_submit{ float:left; width:33px; height:30px; background:#fff url(images/searchbg.jpg) no-repeat center;}

.search_input{ float:left; width:120px; height:30px; line-height:30px;  transition:1s;}
.search_input:focus{ width:170px;}
.clear{ clear:both;}