*{margin:0; padding:0}
body{ background:#ececec;}
input:focus{ outline:none}
.bg{ position:relative; margin:30px 50px}
.bg input{ width:200px; height:30px; border:1px solid #ccc; text-indent:10px;}
.bg div{ position:absolute; background:#FFF; width:200px;border:1px solid #ccc; border-top:0; left:0; top:32px; display:none;}
.bg div p{ text-indent:10px; cursor:pointer;line-height:30px;}
.bg div p:hover{ background:#ececec; }