* {
	padding: 0;
	margin: 0
}
#lan {width:300px; height:78px; background:url('../images/lan.png') no-repeat; background-size:cover; z-index:1000; position:fixed; bottom:0px;}
.talk {width:100px; height:98px; background:url('../images/talk.png') no-repeat; background-size:cover; z-index:1000; position:absolute; top:-98px; left:100px; cursor:pointer; display:none;}